showed a trendp = 0.03
In contrast, the MDRD was more accurate in patients with BMI < 25.0 kg/m 2 ( p = 0.7) whereas it showed a trend to over-prediction in subjects with BMI ≥25.0 kg/m 2 ( p = 0.03 and p = 0.04 in patients with BMI 25–29 Kg/m 2 and ≥ 30 Kg/m 2 , respectively).