Factors | Surgery type | P value | |
---|---|---|---|
SOT (n = 109) | LOT (n = 105) | ||
Age (years) | 59.9 ± 9.4 | 60.8 ± 8.4 | 0.483 |
Sex (male: female) | 62: 47 | 74: 31 | 0.039a |
BMI (kg/m2) | 23.6 ± 2.8 | 24.5 ± 2.8 | 0.024 |
Comorbidity | 29(26.6) | 32(30.5) | 0.531a |
History of abdominal surgery | 17(15.6) | 11(10.5) | 0.267a |
Preoperative treatment | 50(45.9) | 64(61.0) | 0.027a |
Distance from the anal verge (cm) | 7.2 ± 2.1 | 6.7 ± 2.4 | 0.127 |
Tumor size (cm) | 2.9 ± 1.7 | 3.1 ± 1.8 | 0.563 |
Pathological stage (0 + I: II + III) | 51:58 | 36:69 | 0.063a |
Pelvic inlet (cm) | 11.3 ± 1.1 | 10.8 ± 1.1 | 0.001 |
Pubococcygeal distance (cm) | 11.8 ± 1.0 | 12.0 ± 0.9 | 0.382 |
Pelvic length (cm) | 12.5 ± 1.3 | 12.6 ± 1.1 | 0.785 |
Sacral depth (cm) | 3.8 ± 0.6 | 3.8 ± 0.5 | 0.673 |
Pelvic depth (cm) | 10.6 ± 1.0 | 10.9 ± 0.9 | 0.025 |
Pelvic outlet (cm) | 8.0 ± 0.9 | 7.9 ± 0.8 | 0.568 |
Interspinous distance (cm) | 9.7 ± 1.3 | 9.5 ± 1.1 | 0.413b |
Intertuberous distance (cm) | 10.3 ± 1.5 | 9.9 ± 1.4 | 0.048 |
Anorectal angle (°) | 119.6 ± 11.7 | 119.4 ± 15.5 | 0.895b |
Sacrococcygeal angle (°) | 114.2 ± 10.3 | 115.1 ± 8.3 | 0.460b |