Table 4.

ROC analysis and ROC analysis in the subgroups.

Equations		AUC	95% CI	p value
Total cohort	n = 1428
	Cockcroft Gault	0.621	0.584–0.657	0.001
	MDRD	0.614	0.576–0.652	0.001
	${\mathrm{CKD-EPI}}_{\text{crea}}$	0.643	0.608–0.678	0.001
	${\mathrm{CKD-EPI}}_{\text{cys}}$	0.739	0.708–0.771	0.001
	${\mathrm{FAS}}_{\text{crea}}$	0.643	0.607–0.678	0.001
	${\mathrm{FAS}}_{\text{cys}}$	0.744	0.713–0.774	0.001
Male	n = 1063
	Cockcroft Gault	0.638	0.596–0.68	0.001
	MDRD	0.629	0.585–0.673	0.001
	${\mathrm{CKD-EPI}}_{\text{crea}}$	0.661	0.62–0.701	0.001
	${\mathrm{CKD-EPI}}_{\text{cys}}$	0.742	0.705–0.779	0.001
	${\mathrm{FAS}}_{\text{crea}}$	0.66	0.619–0.701	0.001
	${\mathrm{FAS}}_{\text{cys}}$	0.752	0.716–0.788	0.001
Female	n = 365
	Cockcroft Gault	0.575	0.501–0.649	0.037
	MDRD	0.569	0.495–0.642	0.057
	${\mathrm{CKD-EPI}}_{\text{crea}}$	0.588	0.517–0.659	0.014
	${\mathrm{CKD-EPI}}_{\text{cys}}$	0.728	0.668–0.787	0.001
	${\mathrm{FAS}}_{\text{crea}}$	0.591	0.518–0.663	0.012
	${\mathrm{FAS}}_{\text{cys}}$	0.72	0.661–0.78	0.001
Age $\ge$65	n = 698
	Cockcroft Gault	0.565	0.517–0.613	0.006
	MDRD	0.568	0.519–0.618	0.004
	${\mathrm{CKD-EPI}}_{\text{crea}}$	0.577	0.528–0.625	0.001
	${\mathrm{CKD-EPI}}_{\text{cys}}$	0.674	0.628–0.72	0.001
	${\mathrm{FAS}}_{\text{crea}}$	0.578	0.53–0.627	0.001
	${\mathrm{FAS}}_{\text{cys}}$	0.675	0.629–0.72	0.001
Age 65	n = 730
	Cockcroft Gault	0.627	0.565–0.69	0.001
	MDRD	0.675	0.616–0.734	0.001
	${\mathrm{CKD-EPI}}_{\text{crea}}$	0.683	0.627–0.74	0.001
	${\mathrm{CKD-EPI}}_{\text{cys}}$	0.784	0.738–0.83	0.001
	${\mathrm{FAS}}_{\text{crea}}$	0.68	0.623–0.737	0.001
	${\mathrm{FAS}}_{\text{cys}}$	0.783	0.737–0.83	0.001

ROC, receiver operating characteristic; AUC, area under the receiver operating characteristic curve; CI, confidence interval; MDRD, modification of diet in renal disease; CKD-EPI, chronic kidney disease-epidemiology; FAS, full age spectrum.