Table 3.

Comparison of RF and the Five Features Screened in the Validation Set

	AUC	Cut-off	SEN	SPE	YI	SE	95% CI	P
RF	0.960	0.705	0.922	0.971	0.892	0.012	0.936–0.984	0.000 **
Egfr	0.827	90.500	0.747	0.853	0.600	0.030	0.768–0.885	0.000 **
GA	0.817	23.890	0.789	0.735	0.524	0.030	0.758–0.875	0.000 **
HbA1c	0.693	7.550	0.735	0.574	0.308	0.038	0.618–0.767	0.000 **
Uric acid	0.740	327.000	0.729	0.662	0.391	0.037	0.667–0.813	0.000 **
Zn	0.590	11.245	0.524	0.676	0.201	0.039	0.513–0.667	0.023 *

Notes: *p<0.05, ** p<0.01.