Table 1 Comparison of baseline data between robotic group and laparoscopic group

Gender (n, %)

0.78

 Male

11(47.8%)

12(52.2%)

 Female

12(52.2%)

11(47.8%)

Age (mean ± SD, years)

57 ± 10.39

61 ± 8.58

0.206

BMI (mean ± SD, kg/m²)

22.00 ± 2.56

23.26 ± 2.48

0.098

CRP (mean ± SD, mg/L)

5.51 ± 5.3

4.06 ± 2.86

0.254

WBC (mean ± SD, /L)

5.45 ± 1.39

5.68 ± 1.62

0.607

Distance of tumor and anal (mean ± SD, cm)

7.8 ± 1.88

7.4 ± 1.16

0.439

Diameter of neoplasm (mean ± SD, cm)

3.1 ± 1.05

2.8 ± 1.20

0.402

TNM stage (n, %)

0.624

 I

8(34.8%)

9(39.1%)

 II

9(39.1%)

6(26.1%)

 III

6(26.1%)

8(34.8%)

ASA (n, %)

0.326

 II

8(34.8%)

5(21.7%)

 III

15(65.2%)

18(78.3%)