22.

Comparison 13. Feedback on prescribing errors compared to no feedback ‐ Ungrouped outcomes 13.3 to 13.4

^{(A) Random sequence generation (selection bias), (B) Allocation concealment (selection bias), (C) Blinding of participants and personnel (performance bias), (D) Blinding of outcome assessment (detection bias),(E) Incomplete outcome data (attrition bias), (F) Selective reporting (reporting bias), (G) Conflict of interest, (H) Other bias}