|
Group 2
n=136
|
Transperitoneal
n=64
|
Extraperitoneal
n=72
|
Patient characteristics |
|
|
|
Body mass index (kg/m2)
|
29.5 (25.1–34.7)
|
28.3 (24.5–34.9)
|
30 (26.4–34.4)
|
Waist circumference (cm)
|
105 (96–115)
|
104 (96–115)
|
105 (96–115)
|
Waist-Hip ratio
|
0.91 (0.86–0.98)
|
0.92 (0.86–0.99)
|
0.90 (0.85–0.97)
|
Sagittal abdominal diameter (mm)
|
234 (208–265)
|
234 (208–265)
|
235 (212–265)
|
Age at surgery (years)
|
66 (61–73)
|
66 (60–74)
|
66 (61–72)
|
Comorbidity index a
|
3 (2–4)
|
3 (2–4)
|
3 (2–4)
|
Surgical outcomes |
|
|
|
Total operative time (min)
|
270 (240–300)
|
270 (240–300)
|
270 (225–315)
|
Para-aortic lymphadenectomy time (min)
|
90 (72–120)
|
90 (75–120)
|
90 (70–120)
|
Hematocrit drop b
|
6.6 (4.2–9.4)
|
6.3 (4.1–9.2)
|
6.7 (4.3–9.8)
|
Blood transfusion
|
6 (4.4)
|
3 (4.7)
|
3 (4.2)
|
Intraoperative complication
|
14 (10.3)
|
9 (14.1)
|
5 (6.9)
|
During para-aortic lymphadenectomy
|
6 (4.4)
|
4 (6.2)
|
2 (2.8)
|
c
|
8 (5.9)
|
5 (7.8)
|
3 (4.2)
|
Early postoperative complication
|
36 (26.5)
|
15 (23.4)
|
21 (29.2)
|
Related to para-aortic lymphadenectomy
|
2 (1.5)
|
1 (1.6)
|
1 (1.4)
|
c
|
11 (8.1)
|
7 (10.9)
|
4 (5.6)
|
Late postoperative complication
|
23 (16.9)
|
8 (12.5)
|
15 (20.8)
|
Related to para-aortic lymphadenectomy
|
1 (0.7)
|
0
|
1 (1.4)
|
c
|
13 (9.6)
|
6 (9.4)
|
7 (9.7)
|
Incomplete para-aortic lymphadenectomy
|
20 (14.7)
|
12 (18.8)
|
8 (11.1)
|
Laparoscopy conversion d
|
16 (11.8)
|
3 (4.7)*
|
13 (18.1)*
|
Surgical morbidity e
|
52 (43.7) |
25 (44.6) |
27
(42.9) |