Table 2 Surgical characteristics and complications of two groups

Surgical time (min, mean ± SD)

102.0 ± 42.6

115.7 ± 53.6

0.039

Mean estimated blood loss (ml, mean ± SD)

118.6 ± 105.6

151.4 ± 108.4

0.025

Hospitalization time (day, mean ± SD)

4.6 ± 1.2

4.9 ± 1.5

>0.05

Surgical complications (n, %)

8(7.6)

11(9.4)

>0.05

Peritoneum injury

6(5.7)

7(6.0)

Wound infection

2(1.9)

4(3.4)

Obese patients((BMI ≥ 28, n, %)

31(29.5%)

36 (30.8%)

 Surgical time (min, mean ± SD)

120.2 ± 18.8

141.5 ± 17.6

<0.001

 Mean estimated blood loss (ml, mean ± SD)

127.6 ± 47.6

163.3 ± 59.2

0.007

high-volume tumors (Stage T2a, sn, %)

26 (24.8%)

28 (23.9%)

 Surgical time (min, mean ± SD)

152.7 ± 26.3

172.9 ± 17.6

0.001

 Mean estimated blood loss (ml, mean ± SD)

209.6 ± 45.7

237.7 ± 61.7

<0.001