Groups information

Group name

Severely obese

Groups definition

BMI 35+

Groups remarks

Subjects were divided into four categories according to preoperative BMI (kg/m2): normal (BMI < 25), overweight (BMI 25-29.9), mildly obese (BMI 30-34.9), and severely obese (BMI > 35)

Clinical T stage

T1

59 (86.8)

T2-T3

9 (13.2)

p-value

0.74

N stage, M stage