Anthropometric measurements Weight (kg) and height (m) were calculated in a mechanical column scale (SECA). The patients were classified according to their Body mass index (BMI, weight (Kg)/ height (m)2) as a) normal weight (BMI< 24.9), b) overweight (24.9 kg/m2 <BMI<29.9 kg/m2) and c) obese (BMI> 30 kg/m2).