Table 2.

Performance analysis of different cutoff values of fecal calprotectin in relation to endoscopic and histological criteria.

Criteria	Cutoff (μg/g)	Sensitivity	Specificity	PPV	NPV	Accuracy
Endoscopic	400	44.4 (27.6–62.7)	73.6 (60.4–83.6)	46.2 (28.8–64.5)	72.2 (59.1–82.4)	63.8 (52.8-73.4)
	200	66.7 (47.8–81.4)	66.0 (52.6–77.3)	50.0 (34.5–65.6)	79.6 (65.5–88.9)	66.2 (55.4-75.7)
	100	81.5 (63.3–91.8)	54.7 (41.4–67.3)	47.8 (34.1–61.7)	85.3 (69.9–93.6)	63.8 (52.8-73.4)
Histological	400	66.7 (46.7–82.0)	82.1 (70.2–90.0)	61.5 (42.5–77.6)	85.2 (73.4–92.3)	77.5 (67.2-85.3)
	200	79.2 (59.5–90.8)	69.6 (56.7–80.1)	52.8 (37.0–68.0)	88.6 (76.0–95.0)	72.5 (61.9-81.1)
	100	91.7 (74.1–97.7)	57.1 (44.1–69.2)	47.8 (34.1–61.9)	94.1 (80.9–98.4)	63.8 (52.8-73.4)
Deep remission (combined endoscopic-histological)	400	50.0 (34.1–65.9)	80.4 (66.8–89.4)	65.4 (46.2–80.6)	68.5 (55.3–79.3)	67.5 (56.6-76.8)
	200	67.6 (50.8–80.8)	71.7 (57.4–82.7)	63.9 (47.6–77.5)	75.0 (60.6–85.4)	70.0 (59.2-78.9)
	100	82.4 (66.5–91.6)	60.9 (46.5–73.6)	60.9 (46.5–73.6)	82.4 (66.5–91.6)	70.0 (59.2-78.9)