Database searching is a skill in itself, but will not be covered in this blog. Do the authors present a hypothesis? A well-developed research question usually identifies three components: the group or population of patients, the studied parameter e.
Why is critical appraisal needed? The groups to be involved and the study end points should be determined prior to starting the study.
Introduction, methods, results and discussion pattern of scientific literature Introduction Evaluate if the need as dearth of studies on the topic in scientific literature and the purpose of the study attempting to find answers to one of the important unanswered queries of clinical relevance are properly explained with scientific rationale.
Is the journal peer-reviewed? Amanda Burls, What is Critical Appraisal?