Table 3.
Primary outcome
| High-dose group | Standard-dose group | Risk ratio* | Absolute risk reduction (%)* | P † | |
|---|---|---|---|---|---|
| (n = 88) | (n = 86) | ||||
| No. of patients with a complication in PACU, according to definition of primary outcome | 51 (57.95) | 58 (67.44) | 0.86 (0.68, 1.08) | –9.5 (–23.8, 4.8) | 0.213 |
| Pain | 26 (29.55) | 36 (41.86) | 0.71 (0.47, 1.06) | –12.3 (–26.4, 1.8) | 0.113 |
| Circulatory events | 31 (35.23) | 29 (33.72) | 1.05 (0.69, 1.57) | 1.5 (–12.6, 15.6) | 0.874 |
| Postoperative nausea and vomiting | 7 (7.95) | 12 (13.95) | 0.57 (0.24, 1.38) | –6 (–15.3, 3.3) | 0.232 |
| Respiratory events | 10 (11.36) | 6 (6.98) | 1.63 (0.62, 4.29) | 4.4 (–4.2, 12.9) | 0.433 |
| Sedation | 0 (0) | 1 (1.16) | – | –1.2 (–3.4, 1.1) | 0.494 |
Values in parentheses are percentages unless indicated otherwise; *values in parentheses are 95 per cent confidence intervals. PACU, postanaesthesia care unit. †Fisher’s exact test.