Browsing by Author "Chivese, Tawanda"
Now showing items 1-20 of 23
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A meta-review of meta-analyses and an updated meta-analysis on the efficacy of chloroquine and hydroxychloroquine in treating COVID19 infection
( Qatar University Press , 2020 , Poster)Objective: To synthesize the findings presented in systematic reviews and meta-analyses as well as to update the evidence using a meta-analysis in evaluating the efficacy and safety of CQ and HCQ with or without Azithromycin ... -
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
( Qatar University Press , 2021 , Poster)Objective: To investigate the association between pre-existing conditions and hospitalization, need for intensive care services (ICU) and mortality due to COVID-19. Methods: We used data on all cases recorded in the Global ... -
Barriers and Facilitators to Mental Health Help-seeking among Older Adults: A Systematic Review
( Qatar University Press , 2021 , Poster)Background: Older adults are very unlikely to seek mental health help. There are multiple factors that contribute to a person's final decision to seek formal help. The aim of this study is to systematically review and ... -
A comparison of the prevalence of sexually transmitted infections among circumcised and uncircumcised adult males in Rustenburg, South Africa: a cross-sectional study.
( BMC , 2021 , Article)South Africa has a persistent burden of sexually transmitted infections (STIs). Male circumcision has been shown to be effective in preventing HIV and STIs, but data are scarce on the protective effect of circumcision in ... -
Demographic and Clinical Characteristics of Early Travel-Associated COVID-19 Cases
( Frontiers Media , 2020 , Article)© Copyright © 2020 Marei, Emara, Elsaied, Nasrallah, Chivese, Al-Romaihi, Althani, Al Thani, Farag and Yassine. Background: SARS-CoV-2 continues to claim hundreds of thousands of people's lives. It mostly affects the elderly ... -
The diagnostic accuracy of HbA , compared to the oral glucose tolerance test, for screening for type 2 diabetes mellitus in Africa-a systematic review and meta-analysis.
( Wiley , 2021 , Other)To assess the diagnostic accuracy of HbA , compared to fasting plasma glucose (FPG) and the oral glucose tolerance test (OGTT), in screening for type 2 diabetes (T2D) in Africa. We systematically searched databases for ... -
Efficacy of chloroquine and hydroxychloroquine in treating COVID-19 infection: A meta-review of systematic reviews and an updated meta-analysis
( Elsevier , 2021 , Article)To synthesize findings from systematic reviews and meta-analyses on the efficacy and safety of chloroquine (CQ) and hydroxychloroquine (HCQ) with or without Azithromycin for treating COVID-19, and to update the evidence ... -
High prevalence of cardiovascular risk factors and insulin resistance 6 years after hyperglycemia first detected in pregnancy in Cape Town, South Africa
( BMJ Publishing Group , 2019 , Article)Objective To investigate the prevalence and associated cardiovascular risk factors 6 years after hyperglycemia first detected in pregnancy (HFDP) in Cape Town, South Africa. Research design and methods Data were collected ... -
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
( Elsevier , 2021 , Article)AimsThe approaches used to screen and diagnose gestational diabetes mellitus (GDM) vary widely. We generated a comparable estimate of the global and regional prevalence of GDM by International Association of Diabetes in ... -
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.
( Public Library of Science , 2021 , Article)Little is known about the influence of hyperglycemia first detected in pregnancy (HFDP) on weight outcomes in exposed offspring in Africa. We investigated the influence of maternal blood glucose concentrations during ... -
Metformin is comparable to insulin for pharmacotherapy in gestational diabetes mellitus: A network meta-analysis evaluating 6046 women.
( Elsevier , 2021 , Article)The comparative efficacy of gestational diabetes (GDM) treatments lack conclusive evidence for choice of first-line treatment. The aim of this study was to compare the efficacy of metformin and glibenclamide to insulin ... -
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
( Public Library of Science , 2020 , Article)© 2020 Kabotho, Chivese. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the ... -
The odds ratio is “portable” but not the relative risk: Time to do away with the log link in binomial regression
( Elsevier , 2021 , Article)Objectives: In a recent paper we suggest that the relative risk (RR) be replaced with the odds ratio (OR) as the effect measure of choice in clinical epidemiology. In response, Chu, and colleagues raise several points that ... -
Outcomes of hyperglycaemia in pregnancy in Africa: Systematic review study protocol
( BMJ Publishing Group , 2021 , Article)Introduction The prevalence of diabetes mellitus globally has increased considerably over the past decades with a resultant increase in the incidence of diabetes-complicated pregnancies. Hyperglycaemia in pregnancy is the ... -
Prenatal alcohol exposure is associated with early motor, but not language development in a South African cohort
( Cambridge University Press , 2019 , Article)Objective:To investigate the association of prenatal alcohol exposure (PAE) and early neurodevelopment in the first 2 years of life, adjusting for maternal sociodemographic and psychosocial factors, in the Drakenstein Child ... -
Prevalence and determinants of symptomatic COVID-19 infection among children and adolescents in Qatar: A cross sectional analysis of 11445 individuals.
( Cambridge University Press , 2021 , Article)There is a paucity of evidence about the prevalence and risk factors for symptomatic infection among children. This study aimed to describe the prevalence of symptomatic COVID-19 and its risk factors in children and ... -
The prevalence of adaptive immunity to COVID-19 and reinfection after recovery - a comprehensive systematic review and meta-analysis.
( Taylor & Francis , 2022 , Article)This study aims to estimate the prevalence and longevity of detectable SARS-CoV-2 antibodies and T and B memory cells after recovery. In addition, the prevalence of COVID-19 reinfection and the preventive efficacy of ... -
Questionable utility of the relative risk in clinical research: A call for change to practice
( Elsevier , 2020 , Article)ObjectiveIn clinical trials, the relative risk or risk ratio (RR) is a mainstay of reporting of the effect magnitude for an intervention. The RR is the ratio of the probability of an outcome in an intervention group to its ... -
The prevalence of adaptive immunity to COVID-19 and reinfection after recovery - a comprehensive systematic review and meta-analysis of 12 011 447 individuals
( Qatar University Press , 2021 , Poster)Research purpose: The research aims to estimate the prevalence of detectable SARS-CoV-2 antibodies, T and B memory cells after recovery, to determine the prevalence of SARS-CoV-2 reinfection, and to investigate the protective ... -
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.
( Qatar University Press , 2021 , Poster)Research Purpose: Findings from existing studies have shown conflicting evidence concerning the risk of severe COVID-19 and death from COVID-19 in people living with HIV (PLHIV) compared to people without HIV. The aim of ...
