In brief The Quality Assessment of Diagnostic Accuracy Studies (QUADAS-2) tool is a widely used tool for assessing the risk of bias and applicability concerns in […]
In brief QUADAS- 2 was used by three reviewers to independently assess the quality of 30 research. They calculated the percentage of agreement between each reviewer […]
Introduction The systematic review and meta-analysis by Kyu et al. (2016) on physical activity and the risk of breast cancer, colon cancer, diabetes, ischemic heart disease, […]
Introduction The Newcastle-Ottawa Scale (NOS) is a widely used tool for evaluating the quality of non-randomized studies, such as cohort and case-control studies, included in systematic […]
Meta-analysis is a statistical method used to combine and analyze data from multiple independent studies, allowing researchers to draw more robust and generalizable conclusions. The process […]
Introduction Randomized controlled trials—for efficacy research Randomized controlled trials (RCTs) are prospective studies that assess the efficacy of a novel intervention or treatment. Although no research […]
In brief Cohort studies play a pivotal role in the realm of scientific research, providing valuable insights into the association between exposure and outcomes over time. […]
Understanding the need for meta-analysis Meta-analyses have a significant advantage over individual studies. Researchers can combine data from multiple sources to increase statistical power, which leads […]
Introduction Traditional approaches assume all studies are alike, overlooking variations in participants and research methods. They rely heavily on reported numbers, risking less reliable outcomes. Small-scale […]