The Risk Factors of Nonalcoholic Fatty Liver Disease in Morbidly Obese Patients Undergoing Bariatric Surgery in Iran

Table 2

Demographic, anthropomorphic, and clinical data of the study population.

No. of patients	228
Age, year
Female/male	187 (80)/41(18)
Weight (kg)
Body mass index (kg/m^2)
Waist circumference (cm)
Waist-to-hip ratio
Obesity classification
Class 1 (body mass index: 30–34.9 kg/m^2)	10 (4.4)
Class 2 (body mass index: 35–39.9 kg/m^2)	50 (22)
Class 3 (body mass index: 40–49.9 kg/m^2)	136 (59.9)
Super obesity ( kg/m^2)	31 (13.7)
Age at the beginning of obesity, no
Childhood (2-12 years)	86 (47.5)
Teenage (13-17 years)	20 (11)
Youth (18-39 years)	67 (37)
Middle age (40-65 years)	7 (3.9)
Old age (>65 years)	1 (0.6)
Hypertension	35 (18.5)
Type 2 diabetes mellitus	17 (7.8)
Hypothyroidism	38 (21.1)
Dyslipidemia	78 (36.1)

Waist circumference (), waist-to-hip ratio (), age at the beginning of obesity (), hypertension (), type 2 diabetes mellitus (), hypothyroidism (), and dyslipidemia (). The data have been presented as number (%) or .