Table 2.

Prediction of kidney failure

	ROC-AUCs (95% CI)
	CKD stage 3 (n = 216)	CKD stage 4 (n = 158)
a Prediction of kidney failure within 5 years, ROC-AUCs for CKD stages 3 and 4
Three-variable model	0.76 (0.66, 0.85)	0.73 (0.68, 0.78)
Four-variable model	0.76 (0.67, 0.86)	0.82 (0.78, 0.86)
Eight-variable model	0.76 (0.67, 0.86)	0.82 (0.78, 0.86)

b Prediction of kidney failure within 2 years, ROC-AUCs for CKD stages 3 and 4
Three-variable model	0.878 (0.675, 1.081)	0.748 (0.666, 0.831)
Four-variable model	0.891 (0.719, 1.063)	0.833 (0.784, 0.881)
Eight-variable model	0.995 (− 16.372, 18.362)	0.846 (0.796, 0.897)