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Palchaudhuri S, Parsikia A, Lewis J, Siddique S. A Large Proportion of Hospital Encounters With Gastrointestinal Bleeding-Not Otherwise Specified Coding Can Be Otherwise Specified: A Retrospective Observational Study. GASTRO HEP ADVANCES 2022; 1:63-65. [PMID: 39129931 PMCID: PMC11307783 DOI: 10.1016/j.gastha.2021.09.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Accepted: 09/29/2021] [Indexed: 08/13/2024]
Affiliation(s)
- S. Palchaudhuri
- Division of Gastroenterology, Massachusetts General Hospital, Boston, Massachusetts
- Division of Gastroenterology and Hepatology, University of Pennsylvania, Philadelphia, Pennsylvania
| | - A. Parsikia
- Division of Gastroenterology and Hepatology, University of Pennsylvania, Philadelphia, Pennsylvania
| | - J.D. Lewis
- Division of Gastroenterology and Hepatology, University of Pennsylvania, Philadelphia, Pennsylvania
| | - S.M. Siddique
- Division of Gastroenterology and Hepatology, University of Pennsylvania, Philadelphia, Pennsylvania
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Yang TJ, Dhanasekar K, Bhandari R, Muraleedharan D, Chirindoth SS, Kaur H, Goswami R, Maiyani P, Desai M, Moradiya DV, Devani H, Patel AA. Association of Helicobacter Pylori With Development of Peptic Ulcer Disease Among Cirrhotic Patients: An Evidence From Population-Based Study. Cureus 2021; 13:e19315. [PMID: 34900489 PMCID: PMC8650630 DOI: 10.7759/cureus.19315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Accepted: 10/28/2021] [Indexed: 11/05/2022] Open
Abstract
BACKGROUND Helicobacter pylori (H. pylori) plays an important role in causing peptic ulcer disease (PUD) in the general population. However, the role of H. pylori in cirrhotic patients for causing PUD is obscure. There are various studies evaluating H. pylori association with PUD in cirrhotic patients, but the results have been controversial. We sought to analyze the association of H. pylori with the development of PUD in cirrhotic patients from the largest United States population-based database. METHODS We analyzed Nationwide Inpatient Sample (NIS) and Healthcare Cost and Utilization Project (HCUP) data from 2017. Adult hospitalizations due to cirrhosis were identified by previously validated ICD-10-CM codes. PUD and H. pylori were identified with the presence of ICD-10-CM codes in primary and secondary diagnosis fields, respectively. We performed weighted analyses using Chi-Square and paired Student's t-test to compare the groups. Multivariable survey logistic regression was performed to find an association of H. pylori with PUD in cirrhotic patients. RESULTS Our study showed that the prevalence of H. pylori infection was 2.2% in cirrhotic patients with PUD. In regression analysis, H. pylori was found to be associated with PUD in cirrhotic patients (OR 15.1; 95% CI: 13.9-16.4; p <0.001) and non-cirrhotic patients (OR 48.8; 95% CI: 47.5-50.1; p <0.001). In the studied population, H. pylori was more commonly seen in the age between 50 and 64 years (49.4% vs 44.1%; p <0.0001), male (63.4% vs 59.9%; p <0.0413), African American (16.3% vs 10.6%; p <0.0001), and Hispanic (26.2% vs 14.9%; p <0.0001). H. pylori is more likely to be associated with complicated PUD hospitalizations (51.2% vs 44.2%; p <0.0067). Alcoholism and smoking were more common in H. pylori group compared to those without (43.6% vs 35.8%; p <0.0001 and 33.7% vs 24.8% p <0.0001, respectively). Factors associated with increased odds of H. pylori infection include African American (OR 2.3, 95% CI: 1.5-3.6), Hispanic (OR 2.6, 95% CI: 1.7-4.0), and smoking (OR 1.5, 95% CI: 1.1-2.2). CONCLUSION H. pylori are associated with PUD and concurrent cirrhosis, although it is less prevalent than general population. African American, Hispanic, and smoking were independently associated with increased odds of H. pylori infection. Further studies are required to better understand the epidemiology and confirm our findings.
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Affiliation(s)
- Tsu Jung Yang
- Hospital Medicine, MultiCare Good Samaritan Hospital, Puyallup, USA
| | | | - Renu Bhandari
- Medicine, Manipal College of Medical Sciences, Kaski, NPL
| | | | | | - Harpreet Kaur
- Internal Medicine, BronxCare Health System, Bronx, USA
| | - Ruchir Goswami
- Epidemiology and Public Health, Icahn School of Medicine at Mount Sinai, New York, USA
| | - Prakash Maiyani
- Internal Medicine, Gold Coast University Hospital, Southport, AUS
| | - Maheshkumar Desai
- Internal Medicine, Hamilton Medical Center, Medical College of Georgia/Augusta University, Augusta, USA
| | | | - Hiteshkumar Devani
- Dental Medicine, University of Pittsburgh School of Dental Medicine, Pittsburgh, USA
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Validity of cerebrovascular ICD-9-CM codes in healthcare administrative databases. The Umbria Data-Value Project. PLoS One 2020; 15:e0227653. [PMID: 31918434 PMCID: PMC6952250 DOI: 10.1371/journal.pone.0227653] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Accepted: 12/22/2019] [Indexed: 01/23/2023] Open
Abstract
Background Validation of administrative databases for cerebrovascular diseases is crucial for epidemiological, outcome, and health services research. The aim of this study was to validate ICD-9 codes for hemorrhagic or ischemic stroke in administrative databases, to use them for a comprehensive assessment of the burden of disease in terms of major outcomes, such as mortality, hospital readmissions, and use of healthcare resources. Methods We considered the hospital discharge abstract database of the Umbria Region (890,000 residents). Source population was represented by patients aged >18 discharged from hospital with a diagnosis of hemorrhagic or ischemic stroke between 2012 and 2014 using ICD-9-CM codes in primary position. We randomly selected and reviewed medical charts of cases and non-cases from hospitals. For case ascertainment we considered symptoms and instrumental tests reported in the medical charts. Diagnostic accuracy measures were computed using 2x2 tables. Results We reviewed 767 medical charts for cases and 78 charts for non-cases. Diagnostic accuracy measures were: subarachnoid hemorrhage: sensitivity (SE) 100% (95% CI: 97%-100%), specificity (SP) 96% (90–99), positive predictive value (PPV) 98% (93–100), negative predictive value (NPV) 100% (95–100); intracerebral hemorrhage: SE 100% (97–100), SP 98% (91–100), PPV 98% (94–100), NPV 100% (95–100); other and unspecified intracranial hemorrhage: SE 100% (97–100), SP 96% (90–99), PPV 98% (93–100), NPV 100% (95–100); ischemic stroke due to occlusion and stenosis of precerebral arteries: SE 99% (94–100), SP 66 (57–75), PPV 70% (61–77), NPV 99% (93–100); occlusion of cerebral arteries: SE 100% (97–100), SP 87% (78–93), PPV 91% (84–95), NPV 100% (95–100); acute, but ill-defined, cerebrovascular disease: SE 100% (97–100), SP 78% (69–86), PPV % 83 (75–89), NPV 100% (95–100). Conclusions Case ascertainment for both ischemic and hemorrhagic stroke showed good or high levels of accuracy within the regional healthcare databases in Umbria. This database can confidently be employed for epidemiological, outcome, and health services research related to any type of stroke.
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A diagnostic accuracy study validating cardiovascular ICD-9-CM codes in healthcare administrative databases. The Umbria Data-Value Project. PLoS One 2019; 14:e0218919. [PMID: 31283787 PMCID: PMC6613689 DOI: 10.1371/journal.pone.0218919] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Accepted: 06/13/2019] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Administrative healthcare databases are useful and inexpensive tools that can provide a comprehensive assessment of the burden of diseases in terms of major outcomes, such as mortality, hospital readmissions, and use of healthcare resources. However, a crucial issue is the reliability of information gathered. The aim of this study was to validate ICD-9 codes for several major cardiovascular conditions, i.e., acute myocardial infarction (AMI), atrial fibrillation/flutter (AF), and heart failure (HF), in order to use them for epidemiological, outcome, and health services research. METHODS Data from the centralised administrative database of the Umbria Region (890,000 residents, located in Central Italy) were considered. Patients with a first hospital discharge for AMI, AF/flutter, and HF, between 2012 and 2014, were identified using ICD-9-CM codes in primary position. A sample of cases and non-cases was randomly selected, and the corresponding medical charts reviewed by specifically trained investigators. For each disease, case ascertainment was based on all clinical, laboratory, and instrumental examinations available in medical charts. Sensitivity, specificity, and predictive values with 95% confidence intervals (CIs), were calculated. RESULTS We reviewed 458 medical charts, 128 for AMI, 127 for AF/flutter, 127 for HF, and 76 of non-cases for each condition. Diagnostic accuracy measures of the original discharge diagnosis were as follows. AMI: sensitivity 98% (95% CI, 94-100%), specificity 91% (95% CI, 83-97%), positive predictive value (PPV) 95% (95% CI, 89-98%), negative predictive value (NPV) 97% (95% CI, 91-100%). AF/flutter: sensitivity 95% (95% CI, 90-98%), specificity 95% (95% CI, 87-99%), PPV 97% (95% CI, 92-99%), NPV 92% (95% CI, 84-97%). HF: sensitivity 96% (95% CI, 91-99%), specificity 90% (95% CI, 81-96%), PPV 94% (95% CI, 88-97%), NPV 93% (95% CI, 85-98%). CONCLUSION The case ascertainment for AMI, AF and flutter, and HF, showed a high level of accuracy (≥ 90%). The healthcare administrative database of the Umbria Region can be confidently used for epidemiological, outcome, and health services research.
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Shehab N, Ziemba R, Campbell KN, Geller AI, Moro RN, Gage BF, Budnitz DS, Yang TH. Assessment of ICD-10-CM code assignment validity for case finding of outpatient anticoagulant-related bleeding among Medicare beneficiaries. Pharmacoepidemiol Drug Saf 2019; 28:951-964. [DOI: 10.1002/pds.4783] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Revised: 02/15/2019] [Accepted: 03/12/2019] [Indexed: 12/19/2022]
Affiliation(s)
- Nadine Shehab
- Division of Healthcare Quality Promotion; Centers for Disease Control and Prevention; Atlanta Georgia
| | - Robert Ziemba
- Pharmacy and Quality Measurement Division; Health Services Advisory Group, Inc.; Tampa Florida
| | - Kyle N. Campbell
- Pharmacy and Quality Measurement Division; Health Services Advisory Group, Inc.; Tampa Florida
| | - Andrew I. Geller
- Division of Healthcare Quality Promotion; Centers for Disease Control and Prevention; Atlanta Georgia
| | - Ruth N. Moro
- Northrop Grumman Corporation, contractor to the Division of Healthcare Quality Promotion; Centers for Disease Control and Prevention; Atlanta Georgia
| | - Brian F. Gage
- Department of Medicine; Washington University in St. Louis; St. Louis Missouri
| | - Daniel S. Budnitz
- Division of Healthcare Quality Promotion; Centers for Disease Control and Prevention; Atlanta Georgia
| | - Tsu-Hsuan Yang
- Pharmacy and Quality Measurement Division; Health Services Advisory Group, Inc.; Tampa Florida
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Abraha I, Montedori A, Serraino D, Orso M, Giovannini G, Scotti V, Granata A, Cozzolino F, Fusco M, Bidoli E. Accuracy of administrative databases in detecting primary breast cancer diagnoses: a systematic review. BMJ Open 2018; 8:e019264. [PMID: 30037859 PMCID: PMC6059263 DOI: 10.1136/bmjopen-2017-019264] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
OBJECTIVE To define the accuracy of administrative datasets to identify primary diagnoses of breast cancer based on the International Classification of Diseases (ICD) 9th or 10th revision codes. DESIGN Systematic review. DATA SOURCES MEDLINE, EMBASE, Web of Science and the Cochrane Library (April 2017). ELIGIBILITY CRITERIA The inclusion criteria were: (a) the presence of a reference standard; (b) the presence of at least one accuracy test measure (eg, sensitivity) and (c) the use of an administrative database. DATA EXTRACTION Eligible studies were selected and data extracted independently by two reviewers; quality was assessed using the Standards for Reporting of Diagnostic accuracy criteria. DATA ANALYSIS Extracted data were synthesised using a narrative approach. RESULTS From 2929 records screened 21 studies were included (data collection period between 1977 and 2011). Eighteen studies evaluated ICD-9 codes (11 of which assessed both invasive breast cancer (code 174.x) and carcinoma in situ (ICD-9 233.0)); three studies evaluated invasive breast cancer-related ICD-10 codes. All studies except one considered incident cases.The initial algorithm results were: sensitivity ≥80% in 11 of 17 studies (range 57%-99%); positive predictive value was ≥83% in 14 of 19 studies (range 15%-98%) and specificity ≥98% in 8 studies. The combination of the breast cancer diagnosis with surgical procedures, chemoradiation or radiation therapy, outpatient data or physician claim may enhance the accuracy of the algorithms in some but not all circumstances. Accuracy for breast cancer based on outpatient or physician's data only or breast cancer diagnosis in secondary position diagnosis resulted low. CONCLUSION Based on the retrieved evidence, administrative databases can be employed to identify primary breast cancer. The best algorithm suggested is ICD-9 or ICD-10 codes located in primary position. TRIAL REGISTRATION NUMBER CRD42015026881.
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Affiliation(s)
- Iosief Abraha
- Health Planning Service, Regional Health Authority of Umbria, Perugia, Italy
- Innovation and Development, Agenzia Nazionale per i Servizi Sanitari Regionali (Age.Na.S.), Rome, Italy
| | | | - Diego Serraino
- Cancer Epidemiology Unit, IRCCS Centro di Riferimento Oncologico Aviano, Aviano, Italy
| | - Massimiliano Orso
- Health Planning Service, Regional Health Authority of Umbria, Perugia, Italy
- Innovation and Development, Agenzia Nazionale per i Servizi Sanitari Regionali (Age.Na.S.), Rome, Italy
| | - Gianni Giovannini
- Health Planning Service, Regional Health Authority of Umbria, Perugia, Italy
| | - Valeria Scotti
- Center for Scientific Documentation, IRCCS Policlinico S. Matteo Foundation, Pavia, Italy
| | - Annalisa Granata
- Registro Tumori Regione Campania, ASL Napoli 3 Sud, Brusciano, Italy
| | - Francesco Cozzolino
- Health Planning Service, Regional Health Authority of Umbria, Perugia, Italy
| | - Mario Fusco
- Registro Tumori Regione Campania, ASL Napoli 3 Sud, Brusciano, Italy
| | - Ettore Bidoli
- Cancer Epidemiology Unit, IRCCS Centro di Riferimento Oncologico Aviano, Aviano, Italy
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Cozzolino F, Bidoli E, Abraha I, Fusco M, Giovannini G, Casucci P, Orso M, Granata A, De Giorgi M, Collarile P, Ciullo V, Vitale MF, Cirocchi R, Orlandi W, Serraino D, Montedori A. Accuracy of colorectal cancer ICD-9-CM codes in Italian administrative healthcare databases: a cross-sectional diagnostic study. BMJ Open 2018; 8:e020630. [PMID: 29980543 PMCID: PMC6042611 DOI: 10.1136/bmjopen-2017-020630] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
UNLABELLED Objectives To assess the accuracy of International Classification of Diseases, Ninth Revision - Clinical Modification (ICD-9-CM) codes in identifying subjects with colorectal cancer. DESIGN A diagnostic accuracy study comparing ICD-9-CM codes (index test) for colorectal cancers with medical chart (as a reference standard). Case ascertainment based on neoplastic lesion(s) within the colon/rectum and histological documentation from a primary or metastatic site positive for colorectal cancer. SETTING Administrative databases from the Umbria region, Azienda Sanitaria Locale (ASL) Napoli 3 Sud (NA) region and Friuli Venezia Giulia (FVG) region. PARTICIPANTS We randomly selected 130 incident patients from each hospital discharge database, admitted between 2012 and 2014, having colorectal cancer ICD-9 codes located in primary position, and 94 non-cases, that is, patients having a diagnosis of cancer (ICD-9 140-239) other than colorectal cancer in primary position. OUTCOME MEASURES Sensitivity, specificity and predictive values for 153.x code (colon cancer) and for 154.x code (rectal cancer). RESULTS The positive predictive value (PPV) for colon cancer diagnoses was 80% for Umbria (95% CI 73% to 87%), 81% for NA (95% CI 73% to 88%) and 80% for FVG (95% CI 72% to 87%).The sensitivity ranged from 98% to 99%, while the specificity ranged from 78% to 80% in the three units.For rectal cancer, the PPV was 84% for Umbria (95% CI 77% to 90%), 80% for NA (95% CI 72% to 87%) and 81% for FVG (95% CI 73% to 87%). The sensitivities ranged from 98% to 100%, while the specificity estimates from 79% to 82%. CONCLUSIONS Administrative databases in Italy can be a valuable tool for cancer surveillance as well as monitoring geographical and temporal variation of cancer practice.
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Affiliation(s)
- Francesco Cozzolino
- Health Planning Service, Regional Health Authority of Umbria, Perugia, Italy
| | - Ettore Bidoli
- Cancer Epidemiology Unit, Centro di Riferimento Oncologico Aviano, Aviano, Italy
| | - Iosief Abraha
- Health Planning Service, Regional Health Authority of Umbria, Perugia, Italy
- Centro Regionale Sangue, Azienda Ospedaliera di Perugia, Perugia, Italy
| | - Mario Fusco
- Registro Tumori Regione Campania, ASL NA 3 Sud, Brusciano, Italy
| | - Gianni Giovannini
- Health Planning Service, Regional Health Authority of Umbria, Perugia, Italy
| | - Paola Casucci
- Health ICT Service, Regional Health Authority of Umbria, Perugia, Italy
| | - Massimiliano Orso
- Health Planning Service, Regional Health Authority of Umbria, Perugia, Italy
| | - Annalisa Granata
- Registro Tumori Regione Campania, ASL NA 3 Sud, Brusciano, Italy
| | | | - Paolo Collarile
- SOC Epidemiologia Oncologica, Centro di Riferimento Oncologico, Aviano, Italy
| | - Valerio Ciullo
- Registro Tumori Regione Campania, ASL NA 3 Sud, Brusciano, Italy
| | | | - Roberto Cirocchi
- Department of Digestive Surgery and Liver Unit, University of Perugia, Perugia, Italy
| | - Walter Orlandi
- Direzione Regionale Salute, Regional Health Authority of Umbria, Perugia, Italy
| | - Diego Serraino
- Cancer Epidemiology Unit, Centro di Riferimento Oncologico Aviano, Aviano, Italy
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Montedori A, Bidoli E, Serraino D, Fusco M, Giovannini G, Casucci P, Franchini D, Granata A, Ciullo V, Vitale MF, Gobbato M, Chiari R, Cozzolino F, Orso M, Orlandi W, Abraha I. Accuracy of lung cancer ICD-9-CM codes in Umbria, Napoli 3 Sud and Friuli Venezia Giulia administrative healthcare databases: a diagnostic accuracy study. BMJ Open 2018; 8:e020628. [PMID: 29773701 PMCID: PMC5961589 DOI: 10.1136/bmjopen-2017-020628] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
OBJECTIVES To assess the accuracy of International Classification of Diseases 9th Revision-Clinical Modification (ICD-9-CM) codes in identifying subjects with lung cancer. DESIGN A cross-sectional diagnostic accuracy study comparing ICD-9-CM 162.x code (index test) in primary position with medical chart (reference standard). Case ascertainment was based on the presence of a primary nodular lesion in the lung and cytological or histological documentation of cancer from a primary or metastatic site. SETTING Three operative units: administrative databases from Umbria Region (890 000 residents), ASL Napoli 3 Sud (NA) (1 170 000 residents) and Friuli Venezia Giulia (FVG) Region (1 227 000 residents). PARTICIPANTS Incident subjects with lung cancer (n=386) diagnosed in primary position between 2012 and 2014 and a population of non-cases (n=280). OUTCOME MEASURES Sensitivity, specificity and positive predictive value (PPV) for 162.x code. RESULTS 130 cases and 94 non-cases were randomly selected from each database and the corresponding medical charts were reviewed. Most of the diagnoses for lung cancer were performed in medical departments.True positive rates were high for all the three units. Sensitivity was 99% (95% CI 95% to 100%) for Umbria, 97% (95% CI 91% to 100%) for NA, and 99% (95% CI 95% to 100%) for FVG. The false positive rates were 24%, 37% and 23% for Umbria, NA and FVG, respectively. PPVs were 79% (73% to 83%)%) for Umbria, 58% (53% to 63%)%) for NA and 79% (73% to 84%)%) for FVG. CONCLUSIONS Case ascertainment for lung cancer based on imaging or endoscopy associated with histological examination yielded an excellent sensitivity in all the three administrative databases. PPV was moderate for Umbria and FVG but lower for NA.
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Affiliation(s)
| | - Ettore Bidoli
- Cancer Epidemiology Unit, Centro di Riferimento Oncologico Aviano, Aviano, Italy
| | - Diego Serraino
- Cancer Epidemiology Unit, Centro di Riferimento Oncologico Aviano, Aviano, Italy
| | - Mario Fusco
- Registro Tumori Regione Campania, ASL Napoli 3 Sud, Brusciano, Italy
| | - Gianni Giovannini
- Health Planning Service, Regional Health Authority of Umbria, Perugia, Italy
| | - Paola Casucci
- Health ICT Service, Regional Health Authority of Umbria, Perugia, Italy
| | - David Franchini
- Health ICT Service, Regional Health Authority of Umbria, Perugia, Italy
| | - Annalisa Granata
- Registro Tumori Regione Campania, ASL Napoli 3 Sud, Brusciano, Italy
| | - Valerio Ciullo
- Registro Tumori Regione Campania, ASL Napoli 3 Sud, Brusciano, Italy
| | | | - Michele Gobbato
- SOC Epidemiologia Oncologica, Centro di Riferimento Oncologico Aviano, Aviano, Italy
| | - Rita Chiari
- Dipartimento di Oncologia, Azienda Ospedaliera Perugia, Perugia, Italy
| | - Francesco Cozzolino
- Health Planning Service, Regional Health Authority of Umbria, Perugia, Italy
| | - Massimiliano Orso
- Health Planning Service, Regional Health Authority of Umbria, Perugia, Italy
| | - Walter Orlandi
- Direzione salute, Regional Health Authority of Umbria, Perugia, Italy
| | - Iosief Abraha
- Health Planning Service, Regional Health Authority of Umbria, Perugia, Italy
- Centro Regionale Sangue, Azienda Ospedaliera di Perugia, Perugia, Italy
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Orso M, Serraino D, Abraha I, Fusco M, Giovannini G, Casucci P, Cozzolino F, Granata A, Gobbato M, Stracci F, Ciullo V, Vitale MF, Eusebi P, Orlandi W, Montedori A, Bidoli E. Validating malignant melanoma ICD-9-CM codes in Umbria, ASL Napoli 3 Sud and Friuli Venezia Giulia administrative healthcare databases: a diagnostic accuracy study. BMJ Open 2018; 8:e020631. [PMID: 29678984 PMCID: PMC5914898 DOI: 10.1136/bmjopen-2017-020631] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
OBJECTIVES To assess the accuracy of International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) codes in identifying subjects with melanoma. DESIGN A diagnostic accuracy study comparing melanoma ICD-9-CM codes (index test) with medical chart (reference standard). Case ascertainment was based on neoplastic lesion of the skin and a histological diagnosis from a primary or metastatic site positive for melanoma. SETTING Administrative databases from Umbria Region, Azienda Sanitaria Locale (ASL) Napoli 3 Sud (NA) and Friuli Venezia Giulia (FVG) Region. PARTICIPANTS 112, 130 and 130 cases (subjects with melanoma) were randomly selected from Umbria, NA and FVG, respectively; 94 non-cases (subjects without melanoma) were randomly selected from each unit. OUTCOME MEASURES Sensitivity and specificity for ICD-9-CM code 172.x located in primary position. RESULTS The most common melanoma subtype was malignant melanoma of skin of trunk, except scrotum (ICD-9-CM code: 172.5), followed by malignant melanoma of skin of lower limb, including hip (ICD-9-CM code: 172.7). The mean age of the patients ranged from 60 to 61 years. Most of the diagnoses were performed in surgical departments.The sensitivities were 100% (95% CI 96% to 100%) for Umbria, 99% (95% CI 94% to 100%) for NA and 98% (95% CI 93% to 100%) for FVG. The specificities were 88% (95% CI 80% to 93%) for Umbria, 77% (95% CI 69% to 85%) for NA and 79% (95% CI 71% to 86%) for FVG. CONCLUSIONS The case definition for melanoma based on clinical or instrumental diagnosis, confirmed by histological examination, showed excellent sensitivities and good specificities in the three operative units. Administrative databases from the three operative units can be used for epidemiological and outcome research of melanoma.
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Affiliation(s)
- Massimiliano Orso
- Health Planning Service, Regional Health Authority of Umbria, Perugia, Italy
| | - Diego Serraino
- Cancer Epidemiology Unit, Centro di Riferimento Oncologico Aviano, Aviano, Italy
| | - Iosief Abraha
- Health Planning Service, Regional Health Authority of Umbria, Perugia, Italy
- Innovation and development, Agenzia Nazionale per i Servizi Sanitari Regionali (Agenas), Rome, Italy
| | - Mario Fusco
- Registro Tumori Regione Campania, ASL Napoli 3 Sud, Brusciano, Italy
| | - Gianni Giovannini
- Health Planning Service, Regional Health Authority of Umbria, Perugia, Italy
| | - Paola Casucci
- SOC Epidemiologia Oncologica, Centro di Riferimento Oncologico Aviano, Aviano, Italy
| | - Francesco Cozzolino
- Health Planning Service, Regional Health Authority of Umbria, Perugia, Italy
| | - Annalisa Granata
- Registro Tumori Regione Campania, ASL Napoli 3 Sud, Brusciano, Italy
| | - Michele Gobbato
- SOC Epidemiologia Oncologica, Centro di Riferimento Oncologico Aviano, Aviano, Italy
| | | | - Valerio Ciullo
- Registro Tumori Regione Campania, ASL Napoli 3 Sud, Brusciano, Italy
| | | | - Paolo Eusebi
- Health Planning Service, Regional Health Authority of Umbria, Perugia, Italy
| | - Walter Orlandi
- Direzione Regionale Salute, Regional Health Authority of Umbria, Perugia, Italy
| | | | - Ettore Bidoli
- Cancer Epidemiology Unit, Centro di Riferimento Oncologico Aviano, Aviano, Italy
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Cozzolino F, Abraha I, Orso M, Mengoni A, Cerasa MF, Eusebi P, Ambrosio G, Montedori A. Protocol for validating cardiovascular and cerebrovascular ICD-9-CM codes in healthcare administrative databases: the Umbria Data Value Project. BMJ Open 2017; 7:e013785. [PMID: 28360241 PMCID: PMC5372118 DOI: 10.1136/bmjopen-2016-013785] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2016] [Revised: 01/19/2017] [Accepted: 01/23/2017] [Indexed: 12/20/2022] Open
Abstract
INTRODUCTION Administrative healthcare databases can provide a comprehensive assessment of the burden of diseases in terms of major outcomes, such as mortality, hospital readmissions and use of healthcare resources, thus providing answers to a wide spectrum of research questions. However, a crucial issue is the reliability of information gathered. Aim of this protocol is to validate International Classification of Diseases, 9th Revision-Clinical Modification (ICD-9-CM) codes for major cardiovascular diseases, including acute myocardial infarction (AMI), heart failure (HF), atrial fibrillation (AF) and stroke. METHODS AND ANALYSIS Data from the centralised administrative database of the entire Umbria Region (910 000 residents, located in Central Italy) will be considered. Patients with a first hospital discharge for AMI, HF, AF or stroke, between 2012 and 2014, will be identified in the administrative database using the following groups of ICD-9-CM codes located in primary position: (1) 410.x for AMI; (2) 427.31 for AF; (3) 428 for HF; (4) 433.x1, 434 (excluding 434.x0), 436 for ischaemic stroke, 430 and 431 for haemorrhagic stroke (subarachnoid haemorrhage and intracerebral haemorrhage). A random sample of cases, and of non-cases, will be selected, and the corresponding medical charts retrieved and reviewed for validation by pairs of trained, independent reviewers. For each condition considered, case adjudication of disease will be based on symptoms, laboratory and diagnostic tests, as available in medical charts. Divergences will be resolved by consensus. Sensitivity and specificity with 95% CIs will be calculated. ETHICS AND DISSEMINATION Research protocol has been granted approval by the Regional Ethics Committee. Study results will be disseminated widely through peer-reviewed publications and presentations at national and international conferences.
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Affiliation(s)
- Francesco Cozzolino
- Health Planning Service, Regional Health Authority of Umbria, Perugia, Italy
| | - Iosief Abraha
- Health Planning Service, Regional Health Authority of Umbria, Perugia, Italy
| | - Massimiliano Orso
- Health Planning Service, Regional Health Authority of Umbria, Perugia, Italy
| | - Anna Mengoni
- Division of Cardiology, Santa Maria della Misericordia Hospital, University of Perugia School of Medicine, Perugia, Italy
| | - Maria Francesca Cerasa
- Division of Cardiology, Santa Maria della Misericordia Hospital, University of Perugia School of Medicine, Perugia, Italy
| | - Paolo Eusebi
- Health Planning Service, Regional Health Authority of Umbria, Perugia, Italy
| | - Giuseppe Ambrosio
- Division of Cardiology, Santa Maria della Misericordia Hospital, University of Perugia School of Medicine, Perugia, Italy
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