From: Mapping multicenter randomized controlled trials in anesthesiology: a scoping review
Perioperative phase | Number of studies (%) | Number of patients (%) |
---|---|---|
Preoperative | 67 (10.5) | 47 702 (7.7) |
Intraoperative | 233 (36.5) | 175 974 (28.6) |
Postoperative | 165 (25.9) | 209 743 (34.1) |
Multi-phase (i.e., intervention spanned across 2 or 3 phases) | 169 (26.5) | 179 650 (29.2) |
Not reported | 4 (0.6) | 2630 (0.4) |
Total | 638 | 615 907 |