Study | Clear focus of research | Acceptable recruitment of cohort | Accurate measurement of exposure | Accurate measurement of outcome | Identification and consideration of confounding factors | Appropriate length and scale of follow-up | Results and precision | Believability of results | Local application | Confirms available research |
---|---|---|---|---|---|---|---|---|---|---|
Avidan 2010 | Yes | Yes | Yes | Yes | Yes | Unknown | OR 1.12 after 1 month OR 1.48 after 3 months (CI95 n.r.) P < 0.05 | Yes | Yes | Yes |