Table 1 Clinical characteristics of 48 patients

Number

16

32

–

Age, year

54.81 ± 6.585

54.44 ± 5.46

0.835

BMI, kg/m²

23.94 ± 3.64

24.25 ± 3.60

0.779

Smoking

 Present

5 (31.25%)

9 (28.13%)

1.000

 Absent

11 (68.75%)

23 (71.87%)

ASA score

 1

12 (75%)

23 (71.88%)

0.762

 2

4 (25%)

8 (25%)

 3

0

1 (3.12%)

Tumor stage

 T1

6 (37.5%)

11 (34.38%)

0.946

 T2

8 (50%)

16 (50%)

 T3

2 (12.5%)

5 (15.62%)

Lymph node

 N1

6 (37.5%)

13 (75%)

0.869

 N2

9 (56.25%)

17 (75%)

 N3

1 (6.25%)

2 (75%)

Pelvic lymph node dissections

 Absent

15 (93.75%)

30 (93.75%)

1.000

 Present

1 (6.25%)

2 (6.25%)