Table 3 Incidence of the postoperative nausea and vomiting in PACU and ward
Early oral hydration group (n = 832) | Delayed oral hydration group (n = 938) | P | |
|---|---|---|---|
PACU nausea after 20 min (%) | 1 (0.1) | 5 (0.5) | 0.22 |
PACU: vomiting after 20 min (%) | 1 (0.1) | 2 (0.2) | 1.00 |
Ward: nausea after 4 h (%) | 6 (0.7) | 11 (1.2) | 0.47 |
Ward: vomiting after 4 h (%) | 5 (0.6) | 7 (0.7) | 0.78 |