Identifies appraisal criteria using the basic steps. questions as follows. Were patients randomized?; Was randomization concealed?; Were patients analyzed in the groups to which they were randomized? How large was the intervention effect; How precise was the estimate of the intervention effect?.

Critically appraises a meta-analysis considering appropriate

Are the results valid; what are the results? and How to apply the results to patient care practice? were the study patients similar to the patients in clinical administrative practice?