Table I.
Characteristics of rectal cancer (RC) patients
| Parameter | RC patients without leak | RC patients with leak | Probability, p |
|---|---|---|---|
| Age, mean ± SD [years] | 69.8 ±8.3 | 66.4 ±10 | 0.425t |
| Sex, F/M | 10/17 | 2/3 | 1F |
| Stage, TNM7th: 0/I/II/III/IV | 0/3/11/13/0 | 1/1/2/1/0 | 0.092χ2 |
| Stage T: Tis/1/2/3/4 | 0/0/5/17/5 | 1/0/1/3/0 | 0.096χ2 |
| Stage N: 0/1/2 | 14/6/7 | 4/0/1 | 0.414χ2 |
| Stage G: 1/2/3* | 4/20/3 | 2/3/0 | 0.350χ2 |
| ASA | 5/14/8 | 1/4/0 | 0.353χ2 |
| Length of surgery [min], mean ± SD | 205.5 ±74 | 182 ±89 | 0.539t |
| Harvested lymph nodes, n (range) | 14 (3–22) | 12 (3–22) | 0.308M |
t
– t-test for independent samples
F
– Fisher’s exact test
χ2
– chi-square test
M
– Mann-Whitney U test.