Bland–Altman plots of different predialysis body masses. Bland–Altman plots for BM-reported minus BM-undressed in kg (left) and BM-template minus BM-undressed in kg (right) of (a) all patients (n = 48), (b) patients who deduct a self-estimate of clothing mass (n = 12) and (c) patients who do not deduct a self-estimate of clothing mass (n = 36).