Table 1.
Patients’ Characteristics
| Characteristic | Control Group (n = 55) | PNB Group (n = 55) | P value |
|---|---|---|---|
| Age (yr) | 70.0±6.9 | 70.6±7.1 | 0.654 |
| Height (cm) | 167 (6.0) | 168 (5.0) | 0.902 |
| Weight (kg) | 65 (11.0) | 65 (17.5) | 0.623 |
| Body mass index (kg/m2) | 23 (2.9) | 23 (5.2) | 0.526 |
| ASA physical status | |||
| II/III | 47 (80.0)/8 (20.0) | 45 (81.8)/10 (18.2) | 0.606 |
| Anesthesia duration (min) | 105 (60.0) | 120 (45.0) | 0.190 |
| Catheter acceptance | |||
| Tolerable/intolerable | 27 (49.1)/28 (50.9) | 38 (69.1)/17 (30.9) | 0.033 |
| Operation duration (min) | 95 (60.0) | 115 (55.0) | 0.149 |
| Tramadol requirement | 21 (38) | 7 (13) | 0.002 |
| Postoperative hospital stay (day) | 6 (2.0) | 6 (1.0) | 0.009 |
Notes: Data are expressed as mean ± standard deviation, median (interquartile range), or number (%). Patients in the control group were administered general anesthesia only, and patients in the PNB group were administered general anesthesia combined with ultrasound-guided bilateral PNB at the entrance of the pudendal (Alcock’s) canal.
Abbreviations: ASA, American Society of Anesthesiologists; PNB, pudendal nerve block.