Table 3 Incidence of nausea or vomiting, and delirium, fentanyl consumption at post-anesthesia care unit (PACU), and other postoperative data
|  | Conventional group (n = 37) | SPI group (n = 38) | P-value |
|---|---|---|---|
Nausea or vomiting in PACU (n) | 3 (8.1%) | 1 (2.6%) | 0.29 |
PACU fentanyl consumption (μg) | 70.3 ± 35.8 | 55.9 ± 29.3 | 0.06 |
Delirium assessed by CAM-ICU (n) | 9 (24.3%) | 2 (5.2%) | 0.02 |
NRS for pain in POD 1 (0–10) | 3.0 ± 0.75 | 2.9 ± 0.46 | 0.989 |
Cumulative pethidine consumption in POD 1 (mg) | 70.9 ± 13.8 | 62.5 ± 22.3 | 0.074 |
Postoperative length of hospital stay (day) | 10.4 ± 9.1 | 8.0 ± 2.1 | 0.120 |