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Yao N, Liu Y, Xu J, Wang Q, Zhou Q, Wang Y, Yi D, Wu Y. Identification of associated risk factors for serological distribution of hepatitis B virus via machine learning models. BMC Infect Dis 2024; 24:66. [PMID: 38195403 PMCID: PMC10775609 DOI: 10.1186/s12879-023-08911-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Accepted: 12/14/2023] [Indexed: 01/11/2024] Open
Abstract
BACKGROUND The provincial-level sero-survey was launched to learn the updated seroprevalence of hepatitis B virus (HBV) infection in the general population aged 1-69 years in Chongqing and to assess the risk factors for HBV infection to effectively screen persons with chronic hepatitis B (CHB). METHODS A total of 1828 individuals aged 1-69 years were investigated, and hepatitis B surface antigen (HBsAg), antibody to HBsAg (HBsAb), and antibody to B core antigen (HBcAb) were detected. Logistic regression and three machine learning (ML) algorithms, including random forest (RF), support vector machine (SVM), and stochastic gradient boosting (SGB), were developed for analysis. RESULTS The HBsAg prevalence of the total population was 3.83%, and among persons aged 1-14 years and 15-69 years, it was 0.24% and 4.89%, respectively. A large figure of 95.18% (770/809) of adults was unaware of their occult HBV infection. Age, region, and immunization history were found to be statistically associated with HBcAb prevalence with a logistic regression model. The prediction accuracies were 0.717, 0.727, and 0.725 for the proposed RF, SVM, and SGB models, respectively. CONCLUSIONS The logistic regression integrated with ML models could helpfully screen the risk factors for HBV infection and identify high-risk populations with CHB.
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Affiliation(s)
- Ning Yao
- Department of Health Statistics, College of Preventive Medicine, Army Medical University, NO.30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
- Chongqing Center for Disease Control and Prevention, NO.8 Changjiang 2nd Street, Yuzhong District, Chongqing, 400042, China
| | - Yang Liu
- Chongqing Center for Disease Control and Prevention, NO.8 Changjiang 2nd Street, Yuzhong District, Chongqing, 400042, China
| | - Jiawei Xu
- Chongqing Center for Disease Control and Prevention, NO.8 Changjiang 2nd Street, Yuzhong District, Chongqing, 400042, China
| | - Qing Wang
- Chongqing Center for Disease Control and Prevention, NO.8 Changjiang 2nd Street, Yuzhong District, Chongqing, 400042, China
| | - Quanhua Zhou
- Chongqing Center for Disease Control and Prevention, NO.8 Changjiang 2nd Street, Yuzhong District, Chongqing, 400042, China
| | - Yue Wang
- Chongqing Center for Disease Control and Prevention, NO.8 Changjiang 2nd Street, Yuzhong District, Chongqing, 400042, China
| | - Dong Yi
- Department of Health Statistics, College of Preventive Medicine, Army Medical University, NO.30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China.
| | - Yazhou Wu
- Department of Health Statistics, College of Preventive Medicine, Army Medical University, NO.30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China.
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Muhammad Azami NA, Abdullah N, Kamalul Ariffin AS, Abdullah MS, Dauni A, Kamaruddin MA, Jamal R. Hepatitis B and influenza vaccination coverage in healthcare workers, the elderly, and patients with diabetes in Malaysia. Hum Vaccin Immunother 2023; 19:2170660. [PMID: 36728847 PMCID: PMC10012949 DOI: 10.1080/21645515.2023.2170660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Adult immunization remains to be a neglected issue in developing countries including Malaysia. This nationwide study determined the vaccination coverage of hepatitis B and influenza among Malaysia's healthcare workers (HCWs), the elderly (aged 60 y and above) and patients with diabetes, who are the participants of The Malaysia Cohort Program. The participants were categorized based on their occupation, age and medical history. Self-reported questionnaire was used to assess the participant's hepatitis B and influenza vaccination status. A Chi-square test and logistic regression analyses were performed to determine the risk factors associated with vaccination behavior. The hepatitis B vaccination coverage for healthcare workers, elderly, and patients with diabetes were 34.6%, 10.1% and 9.8%, respectively. The influenza vaccination coverage rates for healthcare workers, the elderly and patients with diabetes were 26.3%, 5.5% and 6.4%, respectively. The Chinese were more likely to be vaccinated against hepatitis B, while Malay was more likely to be vaccinated against influenza. Individuals with higher education and living in urban areas were more likely vaccinated than those with low education levels and who lived in rural areas. The low vaccination coverage for healthcare workers was alarming because hepatitis B and influenza were subsidized for the healthcare workers. The hepatitis B and influenza vaccination coverage among healthcare workers, elderly and patients with diabetes in Malaysia were low. Specific interventions such as educational and awareness programs should be conducted to increase the vaccination rate among adults, especially those at high risk.
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Affiliation(s)
| | - Noraidatulakma Abdullah
- UKM Medical Molecular Biology Institute, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | | | - Mohd Shaharom Abdullah
- UKM Medical Molecular Biology Institute, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Andri Dauni
- UKM Medical Molecular Biology Institute, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Mohd Arman Kamaruddin
- UKM Medical Molecular Biology Institute, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Rahman Jamal
- UKM Medical Molecular Biology Institute, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
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Muhammad EN, Abdul Mutalip MH, Chong ZL, Chan HK, Yuswan F, Ahmad NA, Abu Hassan MR. Hepatitis C virus (HCV) infection in Malaysia: findings from a nationwide cross-sectional study. THE LANCET REGIONAL HEALTH. WESTERN PACIFIC 2023; 36:100802. [PMID: 37250815 PMCID: PMC10220398 DOI: 10.1016/j.lanwpc.2023.100802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 04/27/2023] [Accepted: 05/14/2023] [Indexed: 05/31/2023]
Affiliation(s)
| | | | - Zhuo-Lin Chong
- Institute for Public Health, National Institute of Health, Setia Alam, Selangor, Malaysia
| | - Huan-Keat Chan
- Deputy Director General's (Research & Technical Support) Office, Ministry of Health Malaysia, Putrajaya, Malaysia
| | - Fazidah Yuswan
- HIV, STIs and Hepatitis C Control Sector, Disease Control Division, Ministry of Health Malaysia, Putrajaya, Malaysia
| | - Noor Ani Ahmad
- Institute for Public Health, National Institute of Health, Setia Alam, Selangor, Malaysia
| | - Muhammad Radzi Abu Hassan
- Deputy Director General's (Research & Technical Support) Office, Ministry of Health Malaysia, Putrajaya, Malaysia
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Systematic Review of Hepatitis C Virus Prevalence in the WHO Western Pacific Region. Viruses 2022; 14:v14071548. [PMID: 35891529 PMCID: PMC9320901 DOI: 10.3390/v14071548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Revised: 07/11/2022] [Accepted: 07/13/2022] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND This review aimed to identify hepatitis C virus (HCV) prevalence estimates among the general population and six key populations (people who inject drugs, men who have sex with men, sex workers, prisoners/detainees, Indigenous people, and migrants) in the World Health Organization Western Pacific Region (WHO WPR). METHODS Original research articles published between 2016 and 2020 were identified from bibliographic databases. Publications were retrieved, replicas removed, and abstracts screened. Retained full texts were assessed and excluded if inclusion criteria were not met. Methodological quality was assessed using the Johanna Briggs Institute critical appraisal checklist for prevalence data. Data on HCV exposure and active infection were extracted and aggregated and forest plots generated for each population by country. RESULTS There were no HCV prevalence estimates in any population for more than half of WPR countries and territories. Among the 76 estimates, 97% presented prevalence of exposure and 33% prevalence of active infection. General population viraemic prevalence was 1% or less, except in Mongolia. Results confirm the endemic nature of HCV among people who inject drugs, with estimates of exposure ranging from 30% in Cambodia to 76% in Hong Kong. CONCLUSIONS Countries require detailed knowledge of HCV prevalence in diverse populations to evaluate the impact of efforts to support WHO HCV elimination goals. Results provide baseline estimates from which to monitor and evaluate progress and by which to benchmark future elimination efforts.
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The prevalence of hepatitis B virus infection in Bangladesh: A systematic review and meta-analysis. Epidemiol Infect 2022; 150:e47. [PMID: 35156592 PMCID: PMC8895722 DOI: 10.1017/s0950268822000061] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Despite the availability of an effective vaccine, hepatitis B virus (HBV) infection is one of the major public health problems worldwide, mostly in developing countries. This systematic review and meta-analysis were performed to estimate the pooled prevalence of HBV infection in Bangladesh. We systematically searched various electronic databases to retrieve relevant studies published until April 2021. A total of 15 studies were met the inclusion criteria and included in the meta-analysis. The pooled estimated prevalence of HBV infection in the general population of Bangladesh from 1995 to 2017 was 4.0% [95% confidence interval (CI) 3.0–5.1]. The results of subgroup analysis revealed that the prevalence of hepatitis B was higher in females than males [odds ratio (OR) 1.20, 95% CI 0.48–2.97, P = 0.70], people of age <25 years had a higher prevalence than people of age >25 years (OR 1.25, 95% CI 0.72–2.17, P = 0.42) and married people had a higher prevalence than unmarried/single people (OR 2.16, 95% CI 1.51–3.10, P < 0.0001). The Egger's test statistics (P = 0.584), Begg and Mazumdar's rank correlation test (P = 0.054) indicated the absence of publication bias. This study analysis reported a low intermediate prevalence of HBV infection (4%) in Bangladesh, which is currently higher than the global prevalence of HBV infection (3.5%).
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Markby J, Shilton S, Sem X, Chan HK, Md Said R, Siva S, Zainuddin Z, Abu Bakar N, Omar H, Ruiz RJI, Gaeddert M, Tyshkovskiy A, Adee M, Chhatwal J, Kumar S, Piedagnel JM, Mohd Zain R, Menétrey C, Yuswan F, Hairizan Nasir N, Andrieux-Meyer I, Ismail F, Zakaria R, Hasim R, Murad S, Easterbrook P, Hassan MRA. Assessing the impact of simplified HCV care on linkage to care amongst high-risk patients at primary healthcare clinics in Malaysia: a prospective observational study. BMJ Open 2021; 11:e055142. [PMID: 34952885 PMCID: PMC8713014 DOI: 10.1136/bmjopen-2021-055142] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
INTRODUCTION To achieve the elimination of hepatitis C virus (HCV), substantial scale-up in access to testing and treatment is needed. This will require innovation and simplification of the care pathway, through decentralisation of testing and treatment to primary care settings and task-shifting to non-specialists. The objective of this study was to evaluate the feasibility and effectiveness of decentralisation of HCV testing and treatment using rapid diagnostic tests (RDTs) in primary healthcare clinics (PHCs) among high-risk populations, with referral of seropositive patients for confirmatory viral load testing and treatment. METHODS This observational study was conducted between December 2018 and October 2019 at 25 PHCs in three regions in Malaysia. Each PHC was linked to one or more hospitals, for referral of seropositive participants for confirmatory testing and pretreatment evaluation. Treatment was provided in PHCs for non-cirrhotic patients and at hospitals for cirrhotic patients. RESULTS During the study period, a total of 15 366 adults were screened at the 25 PHCs, using RDTs for HCV antibodies. Of the 2020 (13.2%) HCV antibody-positive participants, 1481/2020 (73.3%) had a confirmatory viral load test, 1241/1481 (83.8%) were HCV RNA-positive, 991/1241 (79.9%) completed pretreatment assessment, 632/991 (63.8%) initiated treatment, 518/632 (82.0%) completed treatment, 352/518 (68.0%) were eligible for a sustained virological response (SVR) cure assessment, 209/352 (59.4%) had an SVR cure assessment, and SVR was achieved in 202/209 (96.7%) patients. A significantly higher proportion of patients referred to PHCs initiated treatment compared with those who had treatment initiated at hospitals (71.0% vs 48.8%, p<0.001). CONCLUSIONS This study demonstrated the effectiveness and feasibility of a simplified decentralised HCV testing and treatment model in primary healthcare settings, targeting high-risk groups in Malaysia. There were good outcomes across most steps of the cascade of care when treatment was provided at PHCs compared with hospitals.
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Affiliation(s)
| | | | | | - Huan Keat Chan
- Clinical Research Centre, Hospital Sultanah Bahiyah, Alor Setar, Malaysia
| | | | - Sasikala Siva
- Drugs for Neglected Diseases initiative, Geneva, Switzerland
| | | | | | | | | | - Mary Gaeddert
- Division of Clinical Tropical Medicine, Center of Infectious Diseases, University Hospital Heidelberg, Heidelberg, Germany
| | - Alexander Tyshkovskiy
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
- Belozersky Institute of Physico-Chemical Biology, Moscow State University, Moscow, Russia
| | - Madeline Adee
- Institute for Technology Assessment, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Jagpreet Chhatwal
- Institute for Technology Assessment, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | | | | | | | | | - Fazidah Yuswan
- Disease Control Division, Ministry of Health, Putrajaya, Malaysia
| | | | | | - Fatanah Ismail
- Family Health Development Division, Ministry of Health, Putrajaya, Malaysia
| | - Rozita Zakaria
- Family Health Development Division, Ministry of Health, Putrajaya, Malaysia
| | - Ruziaton Hasim
- Family Health Development Division, Ministry of Health, Putrajaya, Malaysia
| | - Shahnaz Murad
- Drugs for Neglected Diseases initiative, Geneva, Switzerland
| | - Philippa Easterbrook
- Global HIV, Hepatitis & STI Programmes, World Health Organization, Geneva, Switzerland
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