Table 1.
Baseline demographic data for patients (n = 515) enrolled in a retrospective study to compare laparoscopic cholecystectomy with and without bilateral subcostal transversus abdominis plane (TAP) block.
| Characteristic | Group An = 247 | Group Tn = 268 |
|---|---|---|
| Age, years | 45.95 ± 13.38 | 43.58 ± 13.26 |
| Sex | ||
| Female | 197 (79.8) | 203 (75.7) |
| Male | 50 (20.2) | 65 (24.3) |
| ASA status | ||
| I | 212 (85.8) | 220 (82.1) |
| II | 35 (14.2) | 48 (17.9) |
Data presented as mean ± SD or n of patients (%).
No significant between-group differences (P > 0.05); normally distributed continuous variables were compared using Student’s t-test; continuous variables that were not normally distributed were compared using Mann–Whitney U-test; categorical variables were compared using χ2-test.
ASA, American Society of Anesthesiologists.