Table 1: Patient characteristics.

Variable

Number of patients236
female %87
Age at operation (years)37.9 ± 10.0
Weight (kg)119.5 ± 19.4
BMI kg/m245.0 ± 6.8
Liver biopsy
 NASH87
 normal liver histology35
 mean degree of steatosis33.6 ± 24.7
HbA1c > 6.5%23

mean ± standard deviation.