Group name
Normal
Groups definition
BMI < 25
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)
T0
2 (0.6)
≤T2
307 (84.0)
T3
52 (14.4)
p-value
0.58
GS
6.6 +- 0.6
p-value
0.06