Table 3.
Risk factor for acute urine retention.
| 0 h | 8 h | 24 h | P-value | |||||
|---|---|---|---|---|---|---|---|---|
| Hemorrhoidectomy | ||||||||
| GAL (n = 220) | 2.00 | (1.00, 3.00) | 2.00 | (1.00, 3.00) | 2.00 | (1.00, 2.00) | <0.001** | |
| SA (n = 330) | 1.00 | (0.00, 2.00) | 2.00 | (1.00, 4.00) | 2.00 | (1.00, 3.00) | <0.001** | <0.001** |
| Multiple hemorrhoidectomies | ||||||||
| GAL (n = 188) | 2.00 | (1.00, 3.00) | 2.00 | (1.00, 3.00) | 2.00 | (1.00, 2.00) | <0.001** | <0.001** |
| SA (n = 261) | 1.00 | (0.00, 2.00) | 2.00 | (1.00, 4.00) | 2.00 | (1.00, 3.00) | <0.001** | <0.001** |
Friedman test; GAL, general anesthesia plus local infiltration; SA, spinal anesthesia.
Post hoc analysis (Bonferroni) revealed P < 0.05; 0 h vs. 24 h (P = 0.002); 8 h vs. 24 h (P = 0.010); 0 h vs. 8 h (P < 0.001); 0 h vs. 24 h (P < 0.001); 8 h vs. 24 h (P = 0.001); 0 h vs. 24 h (P = 0.011); 8 h vs. 24 h (P = 0.007); 0 h vs. 8 h (P < 0.001); 0 h vs. 24 h (P = 0.001); 8 h vs. 24 h (P = 0.004).
*P < 0.05. **P < 0.01.