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Kostadinović S, Vasiljević J, Schumacher U. Pain therapy in patients with musculoskeletal disorders in outpatient setting: A cohort study. COGENT MEDICINE 2016. [DOI: 10.1080/2331205x.2016.1214337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Affiliation(s)
| | - Jovan Vasiljević
- School of Medicine, The Institute of Pathology, University of Belgrade, Belgrade, Serbia
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Chou CL, Chou CY, Hsu CC, Chou YC, Chen TJ, Chou LF. Old habits die hard: a nationwide utilization study of short-acting nifedipine in Taiwan. PLoS One 2014; 9:e91858. [PMID: 24637880 PMCID: PMC3956761 DOI: 10.1371/journal.pone.0091858] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2013] [Accepted: 02/16/2014] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND To investigate the nationwide trend of ambulatory prescriptions of short-acting nifedipine on a PRN (pro re nata) order over a fifteen-year period in Taiwan. METHODS The systematic sampling claims datasets (0.2% sampling ratio) of ambulatory care visits within Taiwan's National Health Insurance from 1997 to 2011 were analyzed. The prescriptions of short-acting capsule-form nifedipine on a PRN order were stratified by the patient's age, the prescribing physician's specialty, and the setting of healthcare facility for each year. RESULTS During the study period, 8,189,681 visits were analyzed. While the utilization rate of calcium channel blockers changed with time from 2.8% (13,767/489,636) in 1997 to 5.1% (31,349/614,719) in 2011, that of short-acting nifedipine were from 1.0% (n = 5,070) to 0.2% (n = 1,246). However, short-acting capsule-form nifedipine on a PRN order still existed (from 447 prescriptions in 1997 to 784 in 2011). More than one half of these PRN nifedipines were prescribed by the internists and to the elderly patients; almost four-fifths of PRN nifedipines were prescribed during non-emergent consultations. CONCLUSION The physicians in Taiwan still had the habit of prescribing short-acting nifedipines for PRN use. The reason for such practices and the impact on patients' health deserve attention.
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Affiliation(s)
- Chia-Lin Chou
- Department of Pharmacy, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Chia-Yu Chou
- Department of Critical Care Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
- Department and Institute of Pharmacology, National Yang-Ming University, Taipei, Taiwan
- College of Pharmacy, Taipei Medical University, Taipei, Taiwan
- Department of Internal Medicine, School of Medicine, National Defense Medical Center, Taipei, Taiwan
- Department of Medicine, Tzu Chi University, Hualian, Taiwan
| | - Chia-Chen Hsu
- Department of Pharmacy, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Yueh-Ching Chou
- Department of Pharmacy, Taipei Veterans General Hospital, Taipei, Taiwan
- Department of Critical Care Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
- Department and Institute of Pharmacology, National Yang-Ming University, Taipei, Taiwan
| | - Tzeng-Ji Chen
- Institute of Hospital and Health Care Administration, School of Medicine, National Yang-Ming University, Taipei, Taiwan
- Department of Family Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Li-Fang Chou
- Department of Public Finance, National Chengchi University, Taipei, Taiwan
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Use frequency of traditional Chinese medicine in Taiwan. BMC Health Serv Res 2007; 7:26. [PMID: 17319950 PMCID: PMC1810531 DOI: 10.1186/1472-6963-7-26] [Citation(s) in RCA: 223] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2006] [Accepted: 02/23/2007] [Indexed: 11/24/2022] Open
Abstract
Background Use of Traditional Chinese medicine (TCM), an important category of complementary and alternative medicine (CAM), has increased substantially in Western countries during the past decade. Use of TCM is also widespread in the Chinese population. However, few informative data have been obtained to date by large-scale investigations of TCM use in the Chinese population. This study was aimed at elucidating the demographics and patterns of TCM use in Taiwan. Methods We employed the complete datasets of TCM outpatient reimbursement claims from 1996 to 2001, including the use of Chinese herbal remedies, acupuncture and traumatology manipulative therapy, to analyse use frequencies, the characteristics of TCM users, and the disease categories that were treated by TCM in Taiwan. Results At the end of 2001, 6,142,829 (28.4%) among the 21,653,555 valid beneficiaries of the National Health Insurance in Taiwan had used TCM during the year. However, 13,536,266 subjects (62.5%) had used TCM at least once during the whole 6-year period from 1996 to 2001, with a total of 156,224,266 visits (mean 11.5 visits per user). The mean number of TCM users per annum was 5,733,602, with a mean increment of 1,671,476 (29.2%) of new users yearly. Among TCM users, female was higher than male (female:male = 1.13:1), and the age distribution displayed a peak at around the 30s, followed by the 20s and 40s. Chinese herbal remedies (85.9%) were the most common TCM modality used by this population, followed by acupuncture (11.0%) and traumatology manipulative therapies (3.1%). Private TCM clinics provided most of the TCM care (82.6%), followed by private TCM hospitals (12.0%). The top ten major disease categories for TCM visits were diseases of the respiratory system, musculoskeletal system and connective tissue; symptoms, signs and ill-defined conditions; injury and poisoning; diseases of the digestive system, genitourinary system, skin and subcutaneous tissue, nervous system and sense organs, circulatory and endocrine system; nutritional and metabolic diseases; and immunological disorders. Conclusion TCM was popular among the Chinese population in Taiwan during the period studied. More than 60% of all subjects had used TCM during the 6-year interval. TCM was widely used by the Chinese population to treat problems and diseases of major human organ systems recognised by western medicine. This study provides information about the use frequencies of TCM and the disease categories treated by TCM, which should be useful for health policy makers and for those considering the integration of TCM and Western medicine.
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Marie I, Moutot A, Tharrasse A, Hellot MF, Robaday S, Hervé F, Lévesque H. Adéquation aux recommandations des prescriptions des inhibiteurs de la pompe à protons dans un service de médecine interne. Rev Med Interne 2007; 28:86-93. [PMID: 17092611 DOI: 10.1016/j.revmed.2006.09.030] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/29/2006] [Indexed: 01/26/2023]
Abstract
INTRODUCTION Proton pump inhibitors (PPIs) are an efficient therapy, being widely used by physicians. In 2004, cost of PPIs' therapy was as high as 748 millions of euros (for The Caisse primaire d'Assurance Maladie) in France. Although validated indications of PPIs are well known, numerous un-necessary prescriptions of PPIs are common. The aim of this prospective study was to evaluate PPIs' prescriptions of patients in a department of internal medicine. PATIENTS AND METHODS This is a 12-week assessment of medical charts of patients, receiving PPI therapy in patients in our department of internal medicine. Data were collected by a standardized questionnaire, with regards to: PPIs' nature and regimen, PPIs' indications as well as duration of therapy. RESULTS The medical charts of 729 consecutive patients, with a mean age of 67 years, were collected. Two hundred (and) twenty-four patients (30.7%) received PPI therapy; 157 of these patients were given PPI before admission in our department. Omeprazole was used in 71% of patients. Duration of PPI therapy was over one year in 45% of cases. Thirty-five per cent of family physicians' PPI prescription were validated and 23.8% of those of physicians working in the department of internal medicine. The main non-conform PPI's indications, by family physicians and internists were as follows: prevention of hemorrhagic risk of anti-platelet agent (21 vs 16.4%), anticoagulant (17.8 vs 16.4%), steroids (8.3 vs 13.4%) or non-steroid anti-inflammatory therapy without risk factor (1.9 vs 9%). Finally, in patients receiving PPI therapy before admission, this therapy was maintained in 76% of cases. CONCLUSION This prospective study confirms the frequent prescription of PPI therapy in a department of internal medicine (31% of patients). It also underscores the importance of PPIs' use by family physicians and physicians working in a department of internal medicine; this series further highlights the difficulties to interrupt this well tolerated therapy. To date, PPI therapy should be prescribed with a cautious consideration of cost and benefit.
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Affiliation(s)
- I Marie
- Département de médecine interne, CHU de Rouen-Boisguillaume, 1, rue de Germont, 76031 Rouen cedex, France.
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Chou YC, Chen LK, Lin YJ, Chou LF, Chen TJ, Hwang SJ. Health care utilization of home care patients at an academic medical center in Taiwan. J Chin Med Assoc 2006; 69:523-8. [PMID: 17116614 DOI: 10.1016/s1726-4901(09)70322-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
BACKGROUND Previous surveys of home care patients in Taiwan have primarily concentrated on patients' status and needs. The aim of this study was to review the actual health care utilization of home care patients during the course of 1 year. METHODS Home care patients at an academic medical center in Taiwan were selected and their insurance claims data at this hospital in 2001 were analyzed. Analyses included the patients' patterns and diagnoses of visits and admissions, and their drug utilization. For diagnoses made at outpatient departments, the grouping system from the National Hospital Ambulatory Medical Care Survey in the United States was used. The Anatomical Therapeutic Chemical Classification system was applied to drug grouping. RESULTS The home care agency of the hospital cared for 165 patients (66 women, 99 men) in 2001. In total, these 165 patients received 1,358 home visits, 2,751 outpatient visits, and 108 inpatient admissions. While the most frequent diagnoses for all visits were cerebrovascular disease, hypertension, diabetes mellitus, chronic and unspecified bronchitis, psychoses, and other disorders of the central nervous system, the most frequent diagnoses at discharge from the hospital were urinary tract infection and pneumonia. In all visits, 12,282 items of drugs were prescribed in 2,337 prescriptions. On average, each prescription contained 5.3 +/- 2.8 items of drugs. The most frequently prescribed drugs were antacids, expectorants, laxatives, selective calcium channel blockers, and antithrombotic agents. CONCLUSION The home care agency of the hospital should pay more attention to provision of comprehensive care and review of drug prescribing.
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Affiliation(s)
- Yu-Ching Chou
- Department of Family Medicine, Yuan-Shan Veterans Hospital, Ilan, Taiwan
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Chen FP, Kung YY, Chen TJ, Hwang SJ. Demographics and patterns of acupuncture use in the Chinese population: the Taiwan experience. J Altern Complement Med 2006; 12:379-87. [PMID: 16722788 DOI: 10.1089/acm.2006.12.379] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND The use of complementary and alternative medicine (CAM), including Traditional Chinese Medicine (TCM) and acupuncture, has substantially increased in western countries in the past decade. However, informative data concerning large-scale investigations of acupuncture used in the Chinese society remain rare so far. DESIGN AND OUTCOME MEASURE: The complete datasets of acupuncture outpatient reimbursement claims from 1996 to 2002 were supplied by the National Health Insurance Research Database, Taiwan, and the usage frequencies and characteristics of the acupuncture users, as well as the disease categories that were treated by acupuncture in Taiwan were analyzed. RESULTS At the end of 2002, among the 21,869,478 total valid beneficiaries of National Health Insurance (NHI), 1,362,351 subjects (6.2%) used acupuncture during this year, but 4,948,464 subjects (22.6%) had used it for the whole 7-year period since 1996. A mean increment of 1,191,164 (53.6%) new users had been involved yearly. Among all those acupuncture users, a female predominance was observed (female:male = 1.12:1), and the age distribution displayed a peak at around the 40s, followed by the 30s and 50s. Private TCM clinics provided more acupuncture usage (82.0%) than did private TCM hospitals (13.7%). The disease categories treated mostly by acupuncture were diseases of the musculoskeletal system (46.2%); injury (41.8%); diseases of the nervous system (3.5%); and symptoms, signs, and ill-defined conditions (2.7%). CONCLUSIONS Twenty-three percent (23%) of people in Taiwan had used acupuncture during this 7-year period. Musculoskeletoal and neurologic disorders were two major categories commonly treated with acupuncture.
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Affiliation(s)
- Fang-Pey Chen
- Center for Traditional Medicine, Taipei Veterans General Hospital and National Yang-Ming University School of Medicine, Taipei, Taiwan
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Lafata JE, Schultz L, Simpkins J, Chan KA, Horn JR, Kaatz S, Long C, Platt R, Raebel MA, Smith DH, Xi H, Yood MU. Potential Drug–Drug Interactions in the Outpatient Setting. Med Care 2006; 44:534-41. [PMID: 16708002 DOI: 10.1097/01.mlr.0000215807.91798.25] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND Although medication safety research has tended to focus on inpatients, the safety of drug use among outpatients is also a concern. OBJECTIVE We estimate the frequency of potentially interacting concomitant medication dispensing among outpatients. RESEARCH DESIGN We report the number and percent of patients annually dispensed an object drug of interest (ie, warfarin, digoxin, cyclosporine, or lovastatin/simvastatin) with a potentially interacting drug among a random sample of insured adults receiving care from 10 integrated delivery systems. We use 2 definitions of concomitant dispensing: medications dispensed: 1) during the time period for which the patient had the other medication available ('days supply') and 2) on the same day. We also estimate the number of insured U.S. population codispensed these medication pairs. RESULTS Among patients dispensed a drug of interest, between 17.8% (95% confidence interval [CI]=17.1-18.6%) and 28.0% (95% CI=24.0-32.1%) were concomitantly dispensed a potentially interacting drug using the "days supply" definition, and between 7.1% (95% CI=6.6-7.7%) and 17.7% (95% CI=14.4-21.1%) using the "same day" definition. Extrapolating to the insured U.S. population, between 1.29 (95% CI=1.25-1.33; same day) and 2.67 (95% CI=2.62-2.72; days supply) million insured adults are dispensed 1 of these 4 potentially interacting pairs. CONCLUSIONS We found evidence of potentially interacting concomitant medication dispensing among outpatients. An opportunity exists to better understand how such dispensing translates into adverse events and ultimately to improved medication safety.
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Affiliation(s)
- Jennifer Elston Lafata
- Henry Ford Health System, Detroit, Michigan 48202, Channing Laboratory, Brigham and Women's Hospital, and Department of Epidemiology, Harvard School of Public Health, Boston, Massachusetts, USA.
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Chen TJ, Chou LF, Hwang SJ. Patterns of ambulatory care utilization in Taiwan. BMC Health Serv Res 2006; 6:54. [PMID: 16672073 PMCID: PMC1468399 DOI: 10.1186/1472-6963-6-54] [Citation(s) in RCA: 88] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2005] [Accepted: 05/04/2006] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND We used the insurance claims of a representative cohort to quantify the patterns of ambulatory care visits, especially the doctor-shopping phenomenon, in Taiwan. METHODS The ambulatory visit files of the 200,000-person cohort datasets from the National Health Insurance Research Database in 2002 were analyzed. Only a visit with physician consultation would be considered. We computed the visit patterns both by visit count and by patient count. RESULTS In 2002, there were 182,474 eligible people with 2,443,003 physician consultations. During the year, 87.4% of the cohort had visited physician clinics and 57.5% had visited hospital-based outpatient or emergency departments. On average, a person had 13.4 physician consultations and consulted 3.4 specialties, 5.2 physicians, and 3.9 healthcare facilities in a year. In 2002, 17.3% of the cohort had ever visited different healthcare facilities on the same day; 23.5% had ever visited physicians of the same specialty at different healthcare facilities within 7 days and the percentage of second visits was 3.8% of all visits. Besides, 7.6% of the cohort had visited two or more specialties at the same facility on the same day, and such visits make up 2.5% of all visits. CONCLUSION The people in Taiwan did visit the physicians and outpatient departments frequently. Many patients not only consulted several physicians of different specialties and at different healthcare facilities during the year, but also switched the physicians and facilities quickly. An effective referral system with efficient data exchange between facilities might be the solution.
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Affiliation(s)
- Tzeng-Ji Chen
- Department of Family Medicine, Taipei Veterans General Hospital, Shih-Pai Road, Section 2, No 201, Taipei 11217, Taiwan
- National Yang-Ming University School of Medicine, Taipei, Taiwan
| | - Li-Fang Chou
- Department of Public Finance, National Chengchi University, Taipei, Taiwan
| | - Shinn-Jang Hwang
- Department of Family Medicine, Taipei Veterans General Hospital, Shih-Pai Road, Section 2, No 201, Taipei 11217, Taiwan
- National Yang-Ming University School of Medicine, Taipei, Taiwan
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Abstract
AIM: To estimate the direct medical costs of gastroenterological diseases within the universal health insurance program among the population of local residents in Taiwan.
METHODS: The data sources were the first 4 cohort datasets of 200 000 people from the National Health Insurance Research Database in Taipei. The ambulatory, inpatient and pharmacy claims of the cohort in 2001 were analyzed. Besides prevalence and medical costs of diseases, both amount and costs of utilization in procedures and drugs were calculated.
RESULTS: Of the cohort with 183 976 eligible people, 44.2% had ever a gastroenterological diagnosis during the year. The age group 20-39 years had the lowest prevalence rate (39.2%) while the elderly had the highest (58.4%). The prevalence rate was higher in women than in men (48.5% vs. 40.0%). Totally, 30.4% of 14 888 inpatients had ever a gastroenterological diagnosis at discharge and 18.8% of 51 359 patients at clinics of traditional Chinese medicine had such a diagnosis there. If only the principal diagnosis on each claim was considered, 16.2% of admissions, 8.0% of outpatient visits, and 10.1% of the total medical costs (8 469 909 US dollars/ 83 830 239 US dollars) were attributed to gastroenterological diseases. On average, 46.0 US dollars per insured person in a year were spent in treating gastroenterological diseases. Diagnostic procedures related to gastroenterological diseases accounted for 24.2% of the costs for all diagnostic procedures and 2.3% of the total medical costs. Therapeutic procedures related to gastroenterological diseases accounted for 4.5% of the costs for all therapeutic procedures and 1.3% of the total medical costs. Drugs related to gastroenterological diseases accounted for 7.3% of the costs for all drugs and 1.9% of the total medical costs.
CONCLUSION: Gastroenterological diseases are prevalent among the population of local residents in Taiwan, accounting for a tenth of the total medical costs. Further investigations are needed to differentiate costs in screening, ruling out, confirming, and treating.
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Affiliation(s)
- Li-Fang Chou
- Department of Public Finance, National Chengchi University, Taipei, Taiwan, China.
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Chen TJ, Chou LF, Hwang SJ. Application of a data-mining technique to analyze coprescription patterns for antacids in Taiwan. Clin Ther 2003; 25:2453-63. [PMID: 14604744 DOI: 10.1016/s0149-2918(03)80287-4] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
BACKGROUND Although antacids are popular drugs with a long history of use, their true utilization patterns-including over-the-counter use-have rarely been documented. Because all antacids are reimbursed under the National Health Insurance program in Taiwan, it is possible to access and analyze nationwide data for these drugs. OBJECTIVES The purposes of this study were to estimate the scale of antacid prescribing in Taiwan using the national insurance claims for outpatient services and to analyze coprescribing patterns of antacids using modern data-mining techniques. METHODS The National Health Insurance Research Database in Taiwan supplied the visit-based sampling data sets, which had a sampling ratio of 0.2% for all claims for outpatient medical services in the year 2000. In addition to the plain statistics (ie, data from simple calculations) for antacid prescriptions, we also analyzed relationships between prescriptions for antacids and nonantacid drugs. A data-mining technique-association rule mining-was applied to identify the drugs prescribed in combination with antacids. RESULTS Among a total of 409,049 eligible prescriptions for 1,704,595 drug items to be administered orally, antacids were present in 213,494 prescriptions (52.2%). Antacid users were generally older than nonusers (mean [SD] age, 39.9 [23.4] years vs 32.4 [25.7] years). In all, 88.8% of antacid items (189,531/213,494) were prescribed without claims diagnoses of gastrointestinal disorders. Using association rule mining with a 1.0% minimum support factor, there were 36 strong association rules between prescriptions for antacids and other drug subgroups at the third level of Anatomical Therapeutic Chemical classification. Nonsteroidal anti-inflammatory drugs and drugs for treating upper respiratory infections played dominant roles in the associations with antacid prescriptions; vitamin B complex and antivertigo preparations were also strongly associated with antacids. CONCLUSIONS Antacid coprescriptions were common in Taiwan in the year 2000. Further study should investigate whether antacid prescribing patterns are influenced by Taiwanese perceptions that Western drugs injure the stomach.
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Affiliation(s)
- Tzeng-Ji Chen
- Department of Family Medicine, Taipei Veterans General Hospital, Taipei, Taiwan.
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Abstract
AIM: To estimate the age-specific prevalence of anti-ulcer drug use and to calculate the usage of different anti-ulcer drugs over 5 years within the universal health insurance program in Taiwan area.
METHODS: The National Health Insurance Research Database in Taipei supplied the cohort data sets of 200000 people. The ambulatory and inpatient claims of the cohort from 1997 to 2001 were analyzed. The anti-ulcer drugs included all drug items of the group A02B (drugs for treatment of peptic ulcer) in the Anatomical Therapeutic Chemical classification system (version 2000). The amount of drug usage was measured in unit of defined daily dose.
RESULTS: Among the totally 13034393 visits with 56672631 ambulatory prescription items, there were 398150 (0.7%) prescribed items of anti-ulcer drugs in 378855 (2.9%) visits. Among the 107649 admissions with 5762312 inpatient prescription items, there were 24598 (0.4%) prescribed items of anti-ulcer drugs in 11548 (10.7%) admissions. The annual prevalence of anti-ulcer drug use was 9.6% in 1997, 11.6% in 1998, 15.4% in 1999, 14.5% in 2000, and 15.9% in 2001 respectively. The 5-year prevalence was 36.1%. The age-specific prevalence among the people younger than 20 years was 9.2% in 2001 and 23.7% during the 5-year period. Cimetidine not only was the most popular ingredient among anti-ulcer drugs (57634 cimetidine users in 70729 all anti-ulcer drug users during the 5-year period) but also had the largest prescribed amount (42.3% of DDDs for all anti-ulcer drug users during the 5-year period). The annually prescribed amount of anti-ulcer drugs had grown from 4.9 DDDs/1000 inhabitants/day in 1997 to 7.5 in 2001. This increase was largely attributed to H2-receptor antagonists and the expanding number of users.
CONCLUSION: Prescribing of anti-ulcer drugs is indeed popular among the Chinese population in Taiwan area. The disproportionate use of anti-ulcer drugs by children demands further investigation.
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Affiliation(s)
- Tzeng-Ji Chen
- Department of Family Medicine, Taipei Veterans General Hospital, 201, Sec. 2, Shih-Pai Road, Taipei 11217, Taiwan, China
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Pharmacoepidemiology and drug safety. Pharmacoepidemiol Drug Saf 2002; 11:255-70. [PMID: 12051126 DOI: 10.1002/pds.659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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