| |
Total n = 1284
|
LR n = 909
|
RR n = 375
|
p value*
|
|---|
|
Sex
| | | | |
|
Male
|
782
|
551 (61)
|
231 (62)
|
0.743
|
|
Female
|
502
|
358 (39)
|
144 (38)
| |
|
Age, median (IQR)
|
69 (60–76)
|
69 (60–76)
|
69 (60–75)
|
0.760
|
|
BMI
| | | | |
|
< 18.5
|
24
|
18 (2)
|
6 (1.7)
|
0.067
|
|
18.8–25
|
511
|
380 (42.4)
|
131 (36.1)
| |
|
25–30
|
496
|
350 (39.1)
|
146 (40.2)
| |
|
> 30
|
228
|
148 (16.5)
|
80 (22.0)
| |
|
ASA-score
| | | | |
|
Low (1–2)
|
871
|
640 (70.4)
|
231 (61.6)
|
0.002
|
|
High (3–4)
|
413
|
269 (29.6)
|
144 (38.4)
| |
|
ECOG-class
| | | | |
|
Low (0–1)
|
1210
|
854 (94.1)
|
356 (96.5)
|
0.078
|
|
High (2–4)
|
67
|
54 (5.9)
|
13 (3.6)
| |
|
Diabetes
|
134
|
92 (10.1)
|
42 (11.2)
|
0.565
|
|
Pulmonary disease
|
48
|
44 (4.8)
|
4 (1.1)
|
0.001
|
|
Cardiac disease
|
73
|
65 (7.2)
|
8 (2.1)
|
< 0.001
|
|
Radio(chemo)therapy
|
375
|
323 (25.5)
|
143 (38.1)
|
< 0.001
|
|
Tumor levela
| | | | |
|
Low (0–5 cm)
|
244
|
159 (26.6)
|
85 (35.0)
|
0.045
|
|
Mid (5–10 cm)
|
332
|
224 (37.5)
|
108 (40.6)
| |
|
High (10–15 cm)
|
287
|
214 (35.8)
|
73 (27.3)
| |
|
Operative technique
| | | | |
|
LARb
|
743
|
552 (60.7)
|
191 (50.9)
|
0.003
|
|
APRc
|
432
|
280 (30.8)
|
152 (40.5)
| |
|
Hartmann
|
109
|
77 (8.5)
|
32 (8.5)
| |
- Values in parentheses are percentages unless indicated otherwise
- LR laparoscopic resections, RR robotic resections
- *Chi-square analyses
- aCm from anal verge measured with rigid proctoscope
- bLow anterior resection
- cAbdominoperineal resection