Table 2.

Predictive performance of sCys C, Bun and sCr for severe COVID-19.

	AUC	95% CI	P value
sCys C	0.708	0.594–0.822	0.037*
Bun	0.622	0.482–0.763
sCr	0.647	0.523–0.771

Abbreviations: sCys C = serum cystatin C; Bun = blood urea nitrogen, sCr = serum creatinine, COVID-19 = coronavirus disease 2019, AUROC = Area under the receiver operating characteristic curve;

*P = 0.037 (Comparison of AUROC of sCys C, Bun and sCr).