All Stories

  1. Exit Meta-Analysis on the Effect of HIV on COVID-19 Mortality, Hospitalization, and ICU Admission

    Article • Medical Sciences, November 2025, MDPI AG

    Tawanda Chivese

  2. Prevalence of stroke in young adults in the Middle East and North Africa Region: A systematic review and meta-analysis

    Article • PLOS Global Public Health, October 2025, PLOS

    Tawanda Chivese

  3. Factors associated with infertility in males and females in Qatar: A case-control study

    Article • Qatar Medical Journal, September 2025, QScience

    Tawanda Chivese

  4. Association Between Pre-Existing Conditions and COVID-19 Hospitalization, Intensive Care Services, and Mortality: A Cross-Sectional Analysis of an International Global Health Data Repository

    Article • Pathogens, September 2025, MDPI AG

    Tawanda Chivese

  5. Associations of Circadian and Metabolic Syndromes with Cardiovascular Diseases and Diabetes in Qatar: A Cross-Sectional Study

    Article • Diabetes Metabolic Syndrome and Obesity, September 2025, Taylor & Francis

    Tawanda Chivese

  6. Determinants of Antibody Reactivity in COVID‐19: A Case‐Control Study in a Middle Eastern Cohort

    Article • Health Science Reports, August 2025, Wiley

    Tawanda Chivese

  7. Association of feeding and parenting styles with adiposity in young children: a systematic review and meta-analysis

    Article • European Journal of Pediatrics, August 2025, Springer Science + Business Media

    Tawanda Chivese

  8. Estimates of the prevalence of autism spectrum disorder in the Middle East and North Africa region: A systematic review and Meta-Analysis

    Article • BMC Public Health, July 2025, Springer Science + Business Media

    Tawanda Chivese

  9. The epidemiology of antimicrobial resistant bacterial infection in Qatar: A systematic review and meta-analysis

    Article • Journal of Infection and Public Health, June 2025, Elsevier

    Tawanda Chivese

  10. Efficacy and Safety of Adding Ribavirin to Sofosbuvir-Based Direct-Acting Antivirals (DAAs) in Re-Treating Non-Genotype 1 Hepatitis C—A Systematic Review and Meta-Analysis

    Article • Diseases, April 2025, MDPI AG

    Tawanda Chivese

  11. Overcoming challenges in prevalence meta-analysis: the case for the Freeman-Tukey transform

    Article • BMC Medical Research Methodology, April 2025, Springer Science + Business Media

    Tawanda Chivese

  12. Prevalence of unintended pregnancy in the MENA region: a systematic review and meta-analysis

    Article • BMJ Open, April 2025, BMJ

    Tawanda Chivese, Mr. Humayun Kabir

  13. Comparative Efficacy of Subcutaneous Compared to Intravenous Biologics for Inflammatory Bowel Disease: Systematic Review and Meta-Analysis

    Article • Gastroenterology Insights, March 2025, MDPI AG

    Tawanda Chivese

  14. Hyperglycemia is associated with poorer cognitive performance in a cohort of middle-aged people in Qatar: a cross-sectional study

    Article • Expert Review of Endocrinology & Metabolism, March 2025, Taylor & Francis

    Tawanda Chivese

  15. Comparative Efficacy of Subcutaneous Versus Intravenous Interleukin 12/23 Inhibitors for the Remission of Moderate to Severe Crohn’s Disease: A Systematic Review and Meta-Analysis

    Article • Biomedicines, March 2025, MDPI AG

    Tawanda Chivese

  16. Population‐Based Norms for the Montreal Cognitive Assessment in Arab Adults

    Article • Brain and Behavior, February 2025, Wiley

    Tawanda Chivese

  17. Cross-cultural adaptation: South African Gestational Diabetes Mellitus Knowledge Questionnaire

    Article • South African Family Practice, January 2025, AOSIS Open Journals

    Tawanda Chivese

  18. Epidemiology and Management of Gestational Diabetes

    Article • Obstetrical & Gynecological Survey, January 2025, Wolters Kluwer Health

    Tawanda Chivese

  19. Prevalence of Antimicrobial Resistance Among the WHO’s AWaRe Classified Antibiotics Used to Treat Urinary Tract Infections in Diabetic Women

    Article • Antibiotics, December 2024, MDPI AG

    Tawanda Chivese

  20. Association between gestational diabetes mellitus diagnostic criteria and adverse pregnancy outcomes—a systematic review and meta-analysis of adjusted effect sizes from studies using current diagnostic criteria

    Article • BMJ Open, November 2024, BMJ

    Tawanda Chivese

  21. Efficacy of the Mediterranean diet in treating metabolic dysfunction-associated steatotic liver disease (MASLD) in children and adolescents: a systematic review and meta-analysis

    Article • BMC Public Health, October 2024, Springer Science + Business Media

    Tawanda Chivese

  22. Defining the exit meta-analysis

    Article • JBI Evidence Synthesis, September 2024, Wolters Kluwer Health

    Tawanda Chivese

  23. Developmental origins of the Autism Spectrum Disorder in the Middle East and North Africa Region: A Systematic Review and Meta-Analysis of adjusted risk factors

    Article • August 2024, Cold Spring Harbor Laboratory Press

    Tawanda Chivese

  24. Estimates of the Prevalence of Autism Spectrum Disorder in the Middle East and North Africa Region: A Systematic Review and Meta-Analysis

    Article • August 2024, Cold Spring Harbor Laboratory Press

    Tawanda Chivese

  25. Prevalence and factors associated with falls in older adults in a Middle Eastern population: a retrospective cross-sectional study

    Article • Public Health, August 2024, Elsevier

    Tawanda Chivese

  26. Prenatal psychological distress and 11β-HSD2 gene expression in human placentas: Systematic review and meta-analysis

    Article • Psychoneuroendocrinology, August 2024, Elsevier

    Tawanda Chivese

  27. Comparison of postoperative pain in children after maintenance anaesthesia with propofol or sevoflurane: a systematic review and meta-analysis

    Article • British Journal of Anaesthesia, July 2024, Elsevier

    Tawanda Chivese

  28. Epidemiology and management of gestational diabetes

    Article • The Lancet, July 2024, Elsevier

    Tawanda Chivese

  29. The Impact of COVID-19 on the HIV Cascade of Care in Botswana – An Interrupted Time Series

    Article • AIDS and Behavior, June 2024, Springer Science + Business Media

    Tawanda Chivese

  30. Adverse pregnancy outcomes in gestational diabetes mellitus: a systematic review and meta-analysis protocol

    Article • BMJ Open, May 2024, BMJ

    Tawanda Chivese

  31. Cycle threshold values are associated with adaptive immunity to COVID-19– a case-control study in Qatar

    Article • April 2024, Research Square

    Tawanda Chivese

  32. Gender-Specific Fat Distribution and Association with Type 2 Diabetes Mellitus: A Study of Adiposity Indicators (DEXA, BMI, Waist-to-Hip Ratio) in Adults from Qatar

    Article • Diabetes Metabolic Syndrome and Obesity, April 2024, Taylor & Francis

    Tawanda Chivese

  33. Is medical training solely to blame? Generational influences on the mental health of our medical trainees

    Article • Medical Education Online, March 2024, Taylor & Francis

    Tawanda Chivese

  34. Estimates of the prevalence of male circumcision in sub-Saharan Africa from 2010–2023—A systematic review and meta-analysis

    Article • PLOS One, March 2024, PLOS

    Tawanda Chivese

  35. A combined strategies intervention on the World Health Organization prescribing indicators: A quasi-randomised trial

    Article • African Journal of Primary Health Care & Family Medicine, February 2024, AOSIS Open Journals

    Tawanda Chivese

  36. Impact of phthalate metabolites on vitamin D levels and subclinical inflammation: national health and nutrition examination survey, 2013–2018

    Article • International Journal of Environmental Health Research, January 2024, Taylor & Francis

    Tawanda Chivese

  37. Integrated health system intervention aimed at reducing type 2 diabetes risk in women after gestational diabetes in South Africa (IINDIAGO): a randomised controlled trial protocol

    Article • BMJ Open, January 2024, BMJ

    Tawanda Chivese

  38. The Association Between Short Sleep Duration and Metabolic Syndrome: A Case-Control Study

    Article • Diabetes Metabolic Syndrome and Obesity, December 2023, Taylor & Francis

    Tawanda Chivese

  39. Infoveillance of Covid-19 Infections in Dentistry Utilizing Platform X (Preprint)

    Article • November 2023, JMIR Publications Inc.

    Tawanda Chivese

  40. Infoveillance of Covid-19 Infections in Dentistry Utilizing Platform X: a descriptive study (Preprint)

    Article • Journal of Medical Internet Research, November 2023, JMIR Publications Inc.

    Tawanda Chivese

  41. Association between Diabetes and Levels of Micronutrients in Qatar—A Case–Control Study

    Article • Biomedicines, November 2023, MDPI AG

    Tawanda Chivese

  42. No Association Between Ct Value and COVID-19 Severity and Mortality in Qatar

    Article • International Journal of General Medicine, November 2023, Taylor & Francis

    Tawanda Chivese

  43. Association between pregnancy and severe COVID-19 symptoms in Qatar: A cross-sectional study

    Article • PLOS Global Public Health, October 2023, PLOS

    Tawanda Chivese

  44. Real-World Effectiveness of the Varicella Vaccine among Children and Adolescents in Qatar: A Case–Control Study

    Article • Vaccines, October 2023, MDPI AG

    Tawanda Chivese

  45. Association of Subclinical Hypothyroidism with Type 2 Diabetes Mellitus in Qatar: A Cross-Sectional Study

    Article • Diabetes Metabolic Syndrome and Obesity, October 2023, Taylor & Francis

    Tawanda Chivese

  46. Association between pre-existing conditions and hospitalization, intensive care services and mortality from COVID-19, a cross sectional analysis of an international global health data repository

    Article • August 2023, Cold Spring Harbor Laboratory Press

    Tawanda Chivese

  47. Barriers and facilitators of older adults for professional mental health help-seeking: a systematic review

    Article • BMC Geriatrics, August 2023, Springer Science + Business Media

    Tawanda Chivese

  48. Association between diabetes and levels of micro-nutrients in a Middle Eastern population - A case-control study

    Article • July 2023, Cold Spring Harbor Laboratory Press

    Tawanda Chivese

  49. Impact of COVID-19 on the cascade of care for tuberculosis: A systematic review

    Article • July 2023, Cold Spring Harbor Laboratory Press

    Tawanda Chivese

  50. ‘Q-Storming’ to identify challenges and opportunities for integrating health and climate adaptation measures in Africa

    Article • The Journal of Climate Change and Health, July 2023, Elsevier

    Tawanda Chivese

  51. Higher serum uric acid is associated with poorer cognitive performance in healthy middle-aged people: a cross-sectional study

    Article • Internal and Emergency Medicine, June 2023, Springer Science + Business Media

    Tawanda Chivese

  52. Association Between Serum Bicarbonate Levels and Prediabetes and Subclinical Inflammation in Young Healthy Adults: A Cross-sectional Study

    Article • Diabetes Metabolic Syndrome and Obesity, April 2023, Taylor & Francis

    Tawanda Chivese

  53. Association Between Metabolic Syndrome and Decline in Cognitive Function: A Cross-Sectional Study

    Article • Diabetes Metabolic Syndrome and Obesity, March 2023, Taylor & Francis

    Tawanda Chivese

  54. Association between Multimorbidity and COVID-19 Mortality in Qatar: A Cross-Sectional Study

    Article • Microbiology Research, February 2023, MDPI AG

    Tawanda Chivese

  55. The Association Between Inflammatory Bowel Disease and Exposure to Tobacco Smoking: A Case-Control Study in Qatar

    Article • International Journal of General Medicine, January 2023, Taylor & Francis

    Tawanda Chivese

  56. Efficacy and Safety of Adding Ribavirin to Direct-Acting Antivirals (DAAs) in Re-Treating Non-Genotype 1 Hepatitis C Infection- a Systematic Review and Meta-Analysis

    Article • January 2023, Elsevier

    Tawanda Chivese

  57. Estimates of the Prevalence of Male Circumcision in Sub-Saharan Africa from 2010 – 2023 – A Systematic Review and Meta-Analysis

    Article • January 2023, Elsevier

    Tawanda Chivese

  58. The Impact of COVID-19 on the HIV Cascade of Care in Botswana – An Interrupted Time Series

    Article • January 2023, Elsevier

    Tawanda Chivese

  59. High serum uric acid levels are associated with worse cognitive performance: A cross-sectional study

    Article • September 2022, Cold Spring Harbor Laboratory Press

    Tawanda Chivese

  60. Association between pregnancy and severe COVID-19 symptoms in Qatar: a cross-sectional study

    Article • July 2022, Cold Spring Harbor Laboratory Press

    Tawanda Chivese

  61. Duration of COVID-19 mRNA Vaccine Effectiveness against Severe Disease

    Article • Vaccines, June 2022, MDPI AG

    Tawanda Chivese

  62. Effectiveness of Integrated Diabetes Care Interventions Involving Diabetes Specialists Working in Primary and Community Care Settings: A Systematic Review and Meta-Analysis

    Article • International Journal of Integrated Care, May 2022, Ubiquity Press, Ltd.

    Tawanda Chivese

  63. Duration of COVID-19 mRNA Vaccine Effectiveness against Severe Disease

    Article • April 2022, Cold Spring Harbor Laboratory Press

    Tawanda Chivese

  64. The Odds Ratio is “portable” across baseline risk but not the Relative Risk: Time to do away with the log link in binomial regression

    Article • Journal of Clinical Epidemiology, February 2022, Elsevier

    Tawanda Chivese, Lifeng Lin

  65. The prevalence of adaptive immunity to COVID-19 and reinfection after recovery – a comprehensive systematic review and meta-analysis

    Article • Pathogens and Global Health, January 2022, Taylor & Francis

    Tawanda Chivese

  66. IDF Diabetes Atlas: Estimation of Global and Regional Gestational Diabetes Mellitus Prevalence for 2021 by International Association of Diabetes in Pregnancy Study Group’s Criteria

    Article • Diabetes Research and Clinical Practice, January 2022, Elsevier

    Tawanda Chivese

  67. IDF Diabetes Atlas: The prevalence of pre-existing diabetes in pregnancy – A systematic review and meta-analysis of studies published during 2010–2020

    Article • Diabetes Research and Clinical Practice, January 2022, Elsevier

    Tawanda Chivese

  68. Integrated Management of Type 2 Diabetes and Gestational Diabetes in the Context of Multi-Morbidity in Africa: A Systematic Review

    Article • International Journal of Integrated Care, January 2022, Ubiquity Press, Ltd.

    Tawanda Chivese

  69. Translation, Cross-Cultural Adaptation and Validation of the Gestational Diabetes Mellitus Knowledge Questionnaire in the Western Cape, South Africa

    Article • December 2021, Research Square

    Tawanda Chivese

  70. The diagnostic accuracy of HbA 1c , compared to the oral glucose tolerance test, for screening for type 2 diabetes mellitus in Africa—A systematic review and meta‐analysis

    Article • Diabetic Medicine, December 2021, Wiley

    Tawanda Chivese

  71. The influence of maternal blood glucose during pregnancy on weight outcomes at birth and preschool age in offspring exposed to hyperglycemia first detected during pregnancy, in a South African cohort

    Article • PLOS One, October 2021, PLOS

    Tawanda Chivese

  72. The prevalence of adaptive immunity to COVID-19 and reinfection after recovery – a comprehensive systematic review and meta-analysis of 12 011 447 individuals

    Article • September 2021, Cold Spring Harbor Laboratory Press

    Tawanda Chivese

  73. Efficacy of chloroquine and hydroxychloroquine in treating COVID-19 infection: A meta-review of systematic reviews and an updated meta-analysis

    Article • Travel Medicine and Infectious Disease, September 2021, Elsevier

    Tawanda Chivese

  74. Unifying the diagnosis of gestational diabetes mellitus: Introducing the NPRP criteria

    Article • Primary Care Diabetes, August 2021, Elsevier

    Tawanda Chivese

  75. The risk of severe COVID-19 and mortality from COVID-19 in people living with HIV compared to individuals without HIV - a systematic review and meta-analysis of 1 268 676 individuals

    Article • July 2021, Cold Spring Harbor Laboratory Press

    Tawanda Chivese

  76. Unifying diagnostic criteria for gestational diabetes mellitus

    Article • July 2021, Cold Spring Harbor Laboratory Press

    Tawanda Chivese

  77. Metformin is comparable to insulin for pharmacotherapy in gestational diabetes mellitus: A network meta-analysis evaluating 6046 women

    Article • Pharmacological Research, May 2021, Elsevier

    Tawanda Chivese

  78. A comparison of the prevalence of sexually transmitted infections among circumcised and uncircumcised adult males in Rustenburg, South Africa: a cross-sectional study

    Article • BMC Public Health, April 2021, Springer Science + Business Media

    Tawanda Chivese

  79. A program evaluation reporting student perceptions of early clinical exposure to primary care at a new medical college in Qatar

    Article • BMC Medical Education, March 2021, Springer Science + Business Media

    Suhad Daher-Nashif, Tawanda Chivese

  80. Outcomes of hyperglycaemia in pregnancy in Africa: systematic review study protocol

    Article • BMJ Open, February 2021, BMJ

    Tawanda Chivese

  81. Prevalence and determinants of symptomatic COVID-19 infection among children and adolescents in Qatar: a cross-sectional analysis of 11 445 individuals

    Article • Epidemiology and Infection, January 2021, Cambridge University Press

    Tawanda Chivese

  82. Prevalence and determinants of symptomatic COVID-19 infection among children and adolescents in Qatar: a cross-sectional analysis of 11 445 individuals

    Article • Epidemiology and Infection, January 2021, Cambridge University Press

    Tawanda Chivese

  83. Demographic and Clinical Characteristics of Early Travel-Associated COVID-19 Cases

    Article • Frontiers in Public Health, December 2020, Frontiers

    Tawanda Chivese

  84. Utilisation of healthcare services for respiratory tract infections in patients with and without diabetes in Qatar: a cross-sectional study

    Article • BMJ Open, December 2020, BMJ

    Tawanda Chivese

  85. Questionable utility of the relative risk in clinical research: a call for change to practice

    Article • Journal of Clinical Epidemiology, November 2020, Elsevier

    Tawanda Chivese, Lifeng Lin

  86. A meta-review of systematic reviews and an updated meta-analysis on the efficacy of chloroquine and hydroxychloroquine in treating COVID19 infection

    Article • July 2020, Cold Spring Harbor Laboratory Press

    Tawanda Chivese

  87. Occupational exposure to HIV among nurses at a major tertiary hospital: Reporting and utilization of post-exposure prophylaxis; A cross-sectional study in the Western Cape, South Africa

    Article • PLOS One, April 2020, PLOS

    Tawanda Chivese

  88. Prenatal alcohol exposure is associated with early motor, but not language development in a South African cohort

    Article • Acta Neuropsychiatrica, January 2020, Cambridge University Press

    Tawanda Chivese

  89. Cardiovascular risk factors and insulin resistance 6 years after gestational diabetes

    Article • BMJ Open Diabetes Research & Care, November 2019, BMJ

    Tawanda Chivese

  90. Progression to type 2 diabetes mellitus and associated risk factors after hyperglycemia first detected in pregnancy: A cross-sectional study in Cape Town, South Africa

    Article • PLoS Medicine, September 2019, PLOS

    Tawanda Chivese

  91. Prevalence of type 2 diabetes mellitus in women of childbearing age in Africa during 2000–2016: a systematic review and meta-analysis

    Article • BMJ Open, May 2019, BMJ

    Tawanda Chivese

  92. Dietary Intake and Beliefs of Pregnant Women with Gestational Diabetes in Cape Town, South Africa

    Article • Nutrients, August 2018, MDPI AG

    Tawanda Chivese

  93. Hepatitis C prevalence in HIV-infected heterosexual men and men who have sex with men

    Article • South African Medical Journal, June 2018, Health and Medical Publishing Group

    Tawanda Chivese

  94. A prospective study of the demographics, management and outcome of patients with acute kidney injury in Cape Town, South Africa

    Article • PLOS One, June 2017, PLOS

    Tawanda Chivese

  95. Prevalence of type 2 diabetes mellitus in women of childbearing age in Africa during 2000–2016: protocol of a systematic review and meta-analysis

    Article • BMJ Open, December 2016, BMJ

    Tawanda Chivese

  96. A cross-sectional, facility based study of comorbid non-communicable diseases among adults living with HIV infection in Zimbabwe

    Article • BMC Research Notes, August 2016, Springer Science + Business Media

    Tawanda Chivese

  97. Hepatitis E virus: Western Cape, South Africa

    Article • World Journal of Gastroenterology, January 2016, Baishideng Publishing Group Co., Limited (formerly WJG Press)

    Tawanda Chivese

  98. The Influence of Second-Hand Cigarette Smoke Exposure during Childhood and Active Cigarette Smoking on Crohn’s Disease Phenotype Defined by the Montreal Classification Scheme in a Western Cape Population, South Africa

    Article • PLOS One, September 2015, PLOS

    Tawanda Chivese