Table 7.

Discriminatory power of biomarkers for disease activity as calculated by the ROC curves in UC patients.

	Cutoff value	Youden index	Sensitivity (%)	Specificity (%)	Positive predictive value (%)	Negative predictive value (%)	P-value	AUC	AUC 95%Cl
CAR	0.06	0.77	82.19	95.00	98.36	59.38	<0.001	0.918	0.860–0.977
hsCRP (mg/L)	2.14	0.77	82.19	95.24	98.36	60.61	<0.001	0.912	0.851–0.973
ALB (g/L)	39.50	0.58	68.49	90.00	96.15	43.90	<0.001	0.876	0.799–0.952
HGB (g/L)	136.50	0.56	84.93	71.43	91.18	57.69	<0.001	0.882	0.808–0.955
ESR (mm/h)	14.50	0.58	57.53	100.00	100.00	40.38	<0.001	0.872	0.799–0.946
PLT (×109/L)	241.50	0.62	81.94	80.00	93.65	55.17	<0.001	0.851	0.750–0.951
BMI (kg/m2)	22.00	0.38	66.20	71.43	88.68	38.46	0.005	0.701	0.578–0.823

ALB = albumin, BMI = body mass index, CAR = high-sensitivity C-reactive protein/albumin ratio, ESR = erythrocyte sedimentation rate, HGB = hemoglobin, hsCRP = high sensitivity C reactive protein, PLT = platelet, ROC = receiver operating characteristics, UC = ulcerative colitis.