Disease monitoring in inflammatory bowel disease

Table 7 Predicting postoperative recurrence with fecal calprotectin

Ref.	Type of recurrence	Follow-up time	FC value	Sensitivity (%)	Specificity (%)	PPV (%)	NPV (%)
Lasson et al[98]	Endoscopic	1 yr	100 μg/g	85	35	50	75
			200 μg/g	54	53	47	60
			250 μg/g	46	53	43	56
Wright et al[96]	Endoscopic	6 mo	135 μg/g	91	62	55	93
		18 mo	127 μg/g	88	67	58	91
Orlando et al[94]	Endoscopic	1 yr	200 mg/L	63	75
Yamamoto et al[51]	Endoscopic	1 yr	140 μg/g	70	70	70	70
	Clinical		170 μg/g	83	93	83	93
Lobatón et al[74]	Endoscopic	Not specified	203 μg/g1	75	72	-	-
			283 μg/g2	67	72
Boschetti et al[44]	Endoscopic	Within 18 mo	100 μg/g	95	54	93	77

¹FC-ELISA test;

²FC Q-POCT (quantitative-point-of-care test). FC: Fecal calprotectin.