Table 4. Correlations of endoscopy activity with iFOBT, FC, ESR, and CRP.

Mayo Endoscopy Score		0.708	0.449	0.548	0.497
iFOBT	0.708, p < 0.0001		0.481	0.568	0.316
ESR	0.449, p = 0.0012	0.481, p = 0.0005		0.312	0.607
FC	0.548, p < 0.0001	0.568, p < 0.0001	0.312, p = 0.0291		0.317
CRP	0.497, p = 0.0003	0.316, p = 0.0271	0.607, p < 0.0001	0.317, p = 0.0266
	Mayo Endoscopy Score	iFOBT	ESR	FC	CRP

Notes.

Spearman rank correlation coefficient.

CRP

C-reactive protein

ESR

erythrocyte sedimentation rate

iFOBT

immune fecal occult blood test

FC

fecal calprotectin