Table 3.

The Predictive Capacity of Prealbumin, Retinol-Binding Protein 4, CRP and FC for Identifying Endoscopic Remission in the Training Cohort

	AUROC (95% CI)	Cut-Off Value	Sensitivity (95% CI)	Specificity (95% CI)	PPV (95% CI)	NPV (95% CI)
Prealbumin (mg/L) [N= 332]	0.773 (0.705–0.841)	215.5	0.770 (0.642–0.865)	0.697 (0.638–0.751)	0.364 (0.283–0.454)	0.931 (0.885–0.963)
RBP 4 (mg/L) [N= 282]	0.728 (0.646–0.809)	24.8	0.723 (0.571–0.839)	0.702 (0.639–0.759)	0.327 (0.240–0.427)	0.927 (0.876–0.959)
CRP (mg/L) [N= 332]	0.759 (0.693–0.826)	8.7	0.820 (0.696–0.902)	0.587 (0.525–0.646)	0.309 (0.240–0.387)	0.935 (0.884–0.966)
FC (mg/kg) [N= 174]	0.815 (0.727–0.904)	54.5	0.704 (0.497–0.855)	0.844 (0.772–0.896)	0.452 (0.302–0.388)	0.939 (0.880–0.972)
FC+ prealbumin [N= 174]	0.842 (0.775–0.908)	0.107	0.963 (0.791–0.998)	0.646 (0.563–0.722)	0.333 (0.233–0.450)	0.990 (0.935–0.999)

Abbreviations: N, number of available participants; RBP4, retinol-binding protein 4; CRP, C-reactive protein; FC, faecal calprotectin; AUROC, the area under ROC curve; PPV, positive predictive value; NPV, negative predictive value.