TABLE 1.
Characteristics of the study population
| Characteristic | LAI group(n = 40) | L-TAP group(n = 40) | L-TAP+LAI group(n = 40) | Control group(n = 40) | P value | |
|---|---|---|---|---|---|---|
| Age, y | 62 (47–72) | 62 (45–71.2) | 58 (52–71.2) | 56 (44.2–63) | 0.37 | |
| Sex | Women | 24 (60) | 24 (60) | 32 (80) | 29 (72.5) | 0.14 |
| Men | 16 (40) | 16 (40) | 8 (20) | 11 (27.5) | ||
| BMI, kg/m2 | 27.8 (25.8–30.5) | 27.7 (24.6–30.9) | 25.6 (23.9–28.7) | 26.5 (23.8–31.5) | 0.43 | |
| Smoking status | Smoker | 11 (27.5) | 4 (10) | 12 (30) | 7 (17.5) | 0.1 |
| Nonsmoker | 29 (82.5) | 36 (90) | 28 (70) | 33 (82.5) | ||
| ASA class | 2 (1–2) | 2 (1–2) | 2 (1–2) | 2 (1–2) | 0.97 | |
| Drain insertion | Yes | 19 (47) | 16 (40) | 22 (55) | 16 (40) | 0.48 |
| No | 21 (53) | 24 (60) | 18 (45) | 24 (60) | ||
| Size of gallbladder calculi, mm | 15 (10–20) | 15 (10–25) | 20 (15–30) | 17.5 (9–30) | 0.06 | |
| Operative time, min | 55 (50–70) | 55 (50–65) | 55 (50–65) | 55 (45–65) | 0.93 | |
| Complications during surgery | Yes | 0 | 0 | 0 | 1 (2) | >0.99 |
| No | 40 (100) | 40 (100) | 40 (100) | 39 (98) | ||
Data are presented as number (percentage) or median (interquartile range). Abbreviations: ASA, American Society of Anesthesiologists; BMI, body mass index; others, see FIGURE 1