Table 1.
Pretreatment characteristics.
| Variables | APR 68 (44%) | LAR 85 (56%) | p Value |
| Age (years) | 63 (54-74) | 55 (45-61) | <0.001 |
| Gender (Female) | 26 (38) | 23 (27) | 0.14 |
| BMI kg/m2 | 28 (24-32) | 26 (23-30) | 0.11 |
| ASA | |||
| 1 | 1 (1) | 1 (1) | 0.04 |
| 2 | 23 (34) | 48 (56) | |
| 3 | 42 (62) | 35 (41) | |
| 4 | 2 (3) | 1 (2) | |
| DAV (cm) | 3 (2-4) | 4 (3-5) | <0.001 |
| Clinical stage | 0.17 | ||
| I | 13 (19) | 16 (19) | |
| II | 39 (57) | 41 (48) | |
| III | 7 (10) | 20 (24) | |
| IV | 9 (14) | 8 (9) |
Continuous variables expressed as medians and interquartile ranges. Nominal variables expressed as absolute numbers with percentages in parenthesis.
APR: Abdominoperienal resection, LAR: Low anterior resection, BMI: Body mass index, ASA: American Society of Anesthesiologists classification, DAV: Distance from anal verge.