Table 3 Anesthesia-related factors
| Factor | Group | PONV (+) (n = 23) | PONV (−) (n = 159) | P value |
|---|---|---|---|---|
| Type of anesthesia | Inhalation | 18 (36.0) | 32 (64.0) | |
| TIVA | 5 (3.8) | 127 (96.2) | < 0.001 | |
| Perioperative opioids | Yes | 14 (27.0) | 38 (73.0) | |
| No | 9 (6.9) | 121 (93.1) | < 0.001 |