Table I.
Clinicopathological data (n=60).
| Variable | Value |
|---|---|
| Gender, n (male:female) | 38:22 |
| Age, years (range) | 65.3±13.0a (29–85) |
| Body mass index, kg/m2 (range) | 21.31±3.07a (16.2–30.8) |
| Tumor height, cm (range) | 5.9±2.0a (2.0–10.0) |
| Maximum diameter of the tumor, cm (range) | 4.0b (3.0–8.0) |
| Operative time, min (range) | 161.3±41.9a (75–275) |
| Intraoperative blood loss, ml (range) | 50b (50–600) |
| Surgical procedure, n | |
| Abdominoperineal resection | 40 |
| Low anterior resection | 20 |
| Tumor invasive depth, n | |
| T1 | 3 |
| T2 | 16 |
| T3 | 28 |
| T4 | 13 |
| Lymph node metastasis, n | |
| N0 | 25 |
| N1 | 23 |
| N2 | 12 |
| Tumor stage, n | |
| I | 14 |
| II | 11 |
| III | 35 |
a
mean ± standard deviation,
b
median.