A Retrospective Study of Risk Factors for Symptomatic Anastomotic Leakage after Laparoscopic Anterior Resection of the Rectal Cancer without a Diverting Stoma
Table 4
Tumor-related variables.
Variables
AL (+) ()
AL (−) ()
Tumor location, (%)
0.602
Above peritoneal reflection
13 (72.2%)
383 (80.1%)
Below peritoneal reflection
5 (27.8%)
95 (19.9%)
Pathological T stage, (%)
0.246
Tis, T1, T2, and no tumor residual after preoperative therapy
3 (16.7%)
140 (29.3%)
T3 and T4
15 (83.3%)
338 (70.7%)
Pathological N stage, (%)
0.854
N0 and no tumor residual after preoperative therapy
10 (55.6%)
255 (53.3%)
N1 and N2
8 (44.4%)
223 (46.7%)
Pathological M stage, (%)
0.553
M0
18 (100%)
448 (93.7%)
M1
0 (0%)
30 (6.3%)
TNM stage, (%)
0.746
0-II and no tumor residual after preoperative therapy
10 (55.6%)
247 (51.7%)
III-IV
8 (44.4%)
231 (48.3%)
Degree of differentiation, (%)
0.337
Low, low-middle grade
7 (38.9%)
136 (28.5%)
Middle, high-middle, high grade, and no tumor residual after therapy