| |
Sigmoid surgery
|
Rectal surgery
|
|---|
|
Non-AL
|
AL
|
p value
|
Non-AL
|
AL
|
p value
|
|---|
|
(n = 244)
|
(n = 13)
|
(n = 574)
|
(n = 69)
|
|---|
|
BMI
|
< 30
|
147 (96.7%)
|
5 (3.3%)
|
0.337
|
424 (89.8%)
|
48 (10.2%)
|
0.999
|
|
≥ 30
|
83 (93.3%)
|
6 (6.7%)
|
122 (89.7%)
|
14 (10.3%)
|
|
Gender
|
Female
|
111 (94.9%)
|
6 (5.1%)
|
0.999
|
280 (93.3%)
|
20 (6.7%)
|
0.002
|
|
Male
|
133 (95.0%)
|
7 (5.0%)
|
294 (85.7%)
|
49 (14.3%)
|
|
ASA
|
I–II
|
158 (98.8%)
|
2 (1.3%)
|
0.002
|
389 (90.5%)
|
41 (9.5%)
|
0.154
|
|
III–IV
|
76 (89.4%)
|
9 (10.6%)
|
158 (86.3%)
|
25 (13.7%)
|
|
CCI
|
≤ 5
|
172 (95.6%)
|
8 (4.4%)
|
0.538
|
430 (91.5%)
|
40 (8.5%)
|
0.004
|
|
> 5
|
72 (93.5%)
|
5 (6.5%)
|
144 (83.2%)
|
29 (16.8%)
|
|
Ischemic heart disease
|
Yes
|
13 (100%)
|
0 (0%)
|
0.999
|
26 (86.7%)
|
4 (13.3%)
|
0.551
|
|
No
|
231 (94.7%)
|
13 (5.3%)
|
548 (89.4%)
|
65 (10.6%)
|
|
Diabetes mellitus
|
Yes
|
28 (90.3%)
|
3 (9.7%)
|
0.197
|
54 (84.4%)
|
10 (15.6%)
|
0.200
|
|
No
|
216 (95.6%)
|
10 (4.4%)
|
520 (89.8%)
|
59 (10.2%)
|
|
History of CVD
|
Yes
|
8 (100%)
|
0 (0.0%)
|
0.999
|
17 (89.5%)
|
2 (10.5%)
|
0.999
|
|
No
|
236 (94.8%)
|
13 (5.2%)
|
557 (89.3%)
|
67 (10.7%)
|
|
Chronic renal failure
|
Yes
|
4 (100%)
|
0 (0.0%)
|
0.999
|
8 (88.9%)
|
1 (11.1%)
|
0.999
|
|
No
|
240 (94.9%)
|
13 (5.1%)
|
566 (89.3%)
|
68 (10.7%)
|
|
Neoadjuvant treatment
|
Yes
|
8 (88.9%)
|
1 (11.1%)
|
0.378
|
161 (88.0%)
|
22 (12.0%)
|
0.484
|
|
No
|
236 (95.2%)
|
12 (4.8%)
|
413 (89.8%)
|
47 (10.2%)
|
|
Approach of surgery
|
Open
|
71 (91.0%)
|
7 (9.0%)
|
0.069
|
320 (87.9%)
|
44 (12.1%)
|
0.247
|
|
MI
|
173 (96.6%)
|
6 (3.4%)
|
254 (91.0%)
|
25 (9.0%)
|
|
Anastomosis level from anal verge
|
≤ 5
|
20 (95.2%)
|
1 (4.8%)
|
0.999
|
155 (89.1%)
|
19 (10.9%)
|
0.137
|
|
6–12
| | |
235 (86.4%)
|
37 (13.6%)
|
|
> 12
|
178 (93.7%)
|
12 (6.3%)
|
81 (94.2%)
|
5 (5.8%)
|
|
Ileostomy
|
Yes
|
0 (0.0%)
|
1 (100%)
|
0.051
|
330 (88.5%)
|
43 (11.5%)
|
0.519
|
|
No
|
244 (95.3%)
|
12 (4.7%)
|
244 (90.4%)
|
26 (9.6%)
|
|
T stage
|
T0–T2
|
84 (97.7%)
|
2 (2.3%)
|
0.230
|
200 (93.0%)
|
15 (7%)
|
0.031
|
|
T3–T4
|
160 (93.6%)
|
11 (6.4%)
|
374 (87.4%)
|
54 (12.6%)
|
|
N stage
|
0
|
143 (96%)
|
6 (4.0%)
|
0.253
|
357 (91.1%)
|
35 (8.9%)
|
0.130
|
|
1
|
70 (97.2%)
|
2 (2.8%)
|
149 (86.6%)
|
23 (13.4%)
|
|
2
|
27 (90.0%)
|
3 (10%)
|
61 (84.7%)
|
11 (15.3%)
|
|
M stage
|
0
|
209 (95.9%)
|
9 (4.1%)
|
0.117
|
531 (89.7 %)
|
61 (10.3 %)
|
0.238
|
|
1
|
35 (89.7%)
|
4 (10.3%)
|
43 (84.3 %)
|
8 (15.7 %)
|
|
TNM stage
|
0
|
5 (100%)
|
0 (0.0%)
|
0.221
|
6 (85.7%)
|
1 (14.3%)
|
0.568
|
|
1
|
64 (97.0%)
|
2 (3.0%)
|
147 (91.9%)
|
13 (8.1%)
|
|
2
|
68 (95.8%)
|
3 (4.2%)
|
178 (89.9%)
|
20 (10.1%)
|
|
3
|
72 (96.0%)
|
3 (4%)
|
200 (88.1%)
|
27 (11.9%)
|
|
4
|
35 (87.5%)
|
5 (12.5%)
|
43 (84.3%)
|
8 (15.7%)
|
|
Ligation of IMA
|
High
|
189 (95.9%)
|
8 (4.1%)
|
0.165
|
442 (88.4%)
|
58 (11.6%)
|
0.265
|
|
Low
|
50 (90.9%)
|
5 (9.1%)
|
117 (92.1%)
|
10 (7.9%)
|
|
Simultaneous operation
|
Yes
|
20 (90.9%)
|
2 (9.1%)
|
0.308
|
53 (85.5%)
|
9 (14.5%)
|
0.286
|
|
No
|
224 (95.3%)
|
11 (4.7%)
|
521 (89.7%)
|
60 (10.3%)
|
|
Air-water test
|
Yes
|
121 (96.8%)
|
4 (3.2%)
|
0.255
|
454 (88.7%)
|
58 (11.3%)
|
0.429
|
|
No
|
119 (93.0%)
|
9 (7.0%)
|
116 (91.3%)
|
11 (8.7%)
|
- BMI body mass index, ASA American Society of Anesthesiologists classification score, CCI Charlson comorbidity index score, CVD cardiovascular disease, MI minimally invasive, IMA inferior mesenteric artery, AL anastomotic leakage
