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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 ...
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 ...
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 ...
Duration of COVID-19 mRNA Vaccine Effectiveness against Severe Disease
(
MDPI
, 2022 , Article)
Waning immunity following administration of mRNA-based COVID-19 vaccines remains a concern for many health systems. We undertook a study to determine if recent reports of waning for severe disease could have been attributed ...
Effectiveness of Integrated Diabetes Care Interventions Involving Diabetes Specialists Working in Primary and Community Care Settings: A Systematic Review and Meta-Analysis
(
Ubiquity Press
, 2022 , Article)
Introduction: Evidence that integrated diabetes care interventions can substantially improve clinical outcomes is mixed. However, previous systematic reviews have not focussed on clinical effectiveness where the endocrinologist ...
Association Between Serum Bicarbonate Levels and Prediabetes and Subclinical Inflammation in Young Healthy Adults: A Cross-sectional Study
(
Taylor and Francis Ltd.
, 2023 , Article)
Purpose: Low bicarbonate, a hallmark of metabolic acidosis is associated with various diseases. This study investigated associations between bicarbonate levels with prediabetes and subclinical inflammation among healthy ...
The Association Between Inflammatory Bowel Disease and Exposure to Tobacco Smoking: A Case-Control Study in Qatar
(
Dove Medical Press
, 2023 , Article)
Objective: This research investigated the association between childhood and adulthood tobacco smoking exposure with ulcerative colitis (UC) and Crohn’s disease (CD) in Qatar. Study Design and Setting: In this case-control ...
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 ...
Controversy and Debate: Questionable utility of the relative risk in clinical research: Paper 1: A call for change to practice
(
Elsevier
, 2020 , Article)
Background and Objectives
In 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 ...
A program evaluation reporting student perceptions of early clinical exposure to primary care at a new medical college in Qatar
(
BioMed Central Ltd
, 2021 , Article)
Background: Though common practice in Europe, few studies have described the efficacy of early clinical exposure (ECE) in the Middle East. The barriers to clinical learning experienced by these novice medical students have ...