Table 1.

Preoperative characteristics of the patients and surgical data.

	Anastomotic leakage group (N = 11)	Nonanastomotic leakage group (N = 185)
Age, mean	58.2	60.8
Sex, n (%)
Male	8 (72.7%)	118 (63.8%)
Female	3 (27.3%)	67 (36.2%)
Clinical stage∗, n (%)
Stage I	1 (9.1%)	13 (7.0%)
Stage II	4 (36.4%)	56 (30.3%).
Stage III	6 (54.5%)	116 (62.7%)
Differentiation, n(%)
High-Moderate	9 (81.8%)	147 (79.5%)
Low-Mucinous	2 (18.2%)	38 (20.5%)
Tumor location from anal margin (0–15 cm), n(%)
≤5cm	6 (54.5%)	55 (29.7%).
5–10cm	4 (36.4%)	66 (35.7%).
≥10cm	1 (9.1%)	64 (34.6%).