Table 2

 Comparison of body mass index (BMI) in case and control groups

Case n = 50(%)Control n = 80 (%)p Value
NS, not significant.
Lean BMI <207 (14)6 (7.5)NS
Normal 20⩽ BMI <2516 (32)20 (25)NS
Overweight 25⩽ BMI <3021 (42)36 (45)NS
Obese BMI ⩾306 (12)18 (22.5)NS