Table 1.
Patient Characteristics.
| Characteristic | Nonintervention (n = 44) | Single intervention (n = 29) | Combined interventions (n = 29) | p |
|---|---|---|---|---|
| Age (years), mean ± SD | 50.1 ± 9.4 | 42.5 ± 6.5 | 37.0 ± 10.5 | .013 |
| Body mass index (kg/m2), mean ± SD | 22.3 ± 2.9 | 23.1 ± 4.0 | 20.5 ± 4.9 | .415 |
| Tumor stage; n (%) | ||||
| I | 9 (20.5) | 4 (13.8) | 3 (17.6) | .915 |
| II | 25 (56.8) | 16 (55.2) | 10 (58.9) | |
| III | 10 (22.7) | 9 (31.0) | 4 (23.5) | |
| Type of resection; n (%) | ||||
| Low anterior resection | 32 (72.7) | 19 (65.6) | 13 (76.5) | |
| Abdominoperineal resection | 12 (27.3) | 10 (34.4) | 4 (23.5) | .692 |
| Preoperative chemoradiotherapy; n (%) | 17 (43.2) | 11 (37.9) | 6 (35.3) | .971 |
| Stoma status; n (%) | 28 (63.6) | 16 (55.2) | 9 (52.9) | .662 |
| Perioperative nerve preservation; n (%) | 42 (95.4) | 28 (96.5) | 17 (100) | .674 |
| Operative time (minutes), mean ± SD | 153.5 ± 35.0 | 144.3 ± 27.4 | 175.3 ± 20.2 | .349 |