Fig. 3

ROC plot of BRI and BMI for diagnosis of OA/RA, blue shaded area represents area under the curve. ROC: receiver operating characteristic, BRI: body roundness index, BMI: body mass index.

ROC plot of BRI and BMI for diagnosis of OA/RA, blue shaded area represents area under the curve. ROC: receiver operating characteristic, BRI: body roundness index, BMI: body mass index.