Table 1.
Demographic data and surgical characteristics
| Group R (n = 41) | Group RN (n = 42) | Group RK (n = 41) | |
|---|---|---|---|
| Gender | |||
| Male | 19 (46) | 19 (45) | 20 (49) |
| Female | 22 (54) | 23 (55) | 21 (51) |
| Age, mean (SD), years | 65.1 (11.0) | 66.5 (9.5) | 66.8 (9.9) |
| Height, mean (SD), cm | 171.1 (4.3) | 169.9 (5.2) | 170.3 (5.3) |
| Weight, mean (SD), kg | 65.2 (4.5) | 64.7 (4.7) | 65.5 (5.1) |
| ASA score | |||
| 1. Healthy | 20 (49) | 18 (43) | 19 (46) |
| 2. Mild systemic disease | 15 (36) | 16 (38) | 17 (42) |
| 3. Severe systemic disease | 6 (15) | 8 (19) | 5 (12) |
| Surgery | |||
| Right hemicolectomy | 12 (29) | 14 (33) | 13 (32) |
| Left hemicolectomy | 14 (34) | 15 (36) | 12 (29) |
| Sigmoidectomy | 10 (25) | 9 (21) | 11 (27) |
| Anterior resection | 2 (5) | 2 (5) | 3 (7) |
| Panproctocolectomy | 3 (7) | 2 (5) | 2 (5) |
| Intraoperative medication use | |||
| Sufentanil, mean (range) (μg) | 32.6 (29.0–37.5) | 32.4 (28.0–37.5) | 32.8 (28.5–38.5) |
| Sevoflurane, mean (range) (mL) | 25.8 (19.5–34.6) | 25.4 (19.1–33.7) | 25.5 (18.9–34.1) |
| Remifentanil, mean (range) (mg) | 3.3 (1.6–4.9) | 3.1 (2.0–5.1) | 2.9 (1.9–5.3) |
| Tropisetron | 19 (46) | 20 (48) | 20 (49) |
| Duration of surgery, mean (SD) (min) | 157.9 (16.5) | 158.7 (15.8) | 159.0 (15.5) |
| Wound length, mean (SD) (cm) | 19.65 (1.0) | 20.2 (1.1) | 19.6 (0.9) |
ASA American Society of Anesthesiologists, SD standard deviation, R ropivacaine, RN ropivacaine + nalbuphine, RK: ropivacaine + ketorolac
Data are reported as numbers (%) unless otherwise indicated