Table 4 Oxford Centre for Evidence-Based Medicine (OCEBM) critical appraisal of survey studies
From: Cluster headache diagnostic delay and its predictors: a systematic review with a meta-analysis
Ref | Authors | Did the study address a clearly focused question issue? | Is the study design appropriate for answering the research question? | Is the method of selection of subjects clearly described? | Could the way the sample was obtained introduce selection bias? | Was the sample of subjects’ representative with regard to the population to which the findings will be referred? | Was the sample size based on pre-study consideration of statistical power? | Was a satisfactory response rate achieved? | Are the measurements likely to be valid and reliable? | Was the statistical significance assessed? | Are the confidence intervals given for the main results? | Could there be confounding factors that haven’t been accounted for? | Can be results be applied to your organization? | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
[27] | Klapper et al (2000) | yes | yes | yes | no | yes | no | yes | yes | no | no | no | yes | |
[28] | Van Vliet et al (2003) | yes | yes | yes | no | yes | no | yes | yes | yes | yes | yes | yes | |
[29] | Rozen & Fishman (2011) | yes | yes | yes | no | yes | no | yes | yes | no | yes | no | yes | |
[30] | Schor et al (2021) | yes | yes | yes | no | yes | no | yes | yes | yes | yes | yes | yes | |