Fecal calprotectin correlated with endoscopic remission for Asian inflammatory bowel disease patients

Table 1 Clinical characteristics of the 88 inflammatory bowel disease patients n (%)

	UC (n = 52)	CD (n = 36)
Gender (M/F)	34/18	19/17
Age (yr)	44 (17-76)	34 (21-71)
Disease extent/location
E1/L1	13 (25)	4 (11)
E2/L2	15 (29)	8 (22)
E3/L3	24 (46)	24 (67)
EIS [median (IQR)]	3 (1-4)	8 (5.2-21)
Calprotectin (μg/g) [median (IQR)]	447 (116-1700)	309 (100-1130)
CRP [median (IQR)]	0.17 (0.04-0.51)	0.15 (0.05-0.91)

For UC: E1: Proctitis; E2: Left-sided colon; E3: Total colon; for CD: L1: Ileum; L2: Colon; L3: Ileocolon; UC: Ulcerative colitis; CD: Crohn's disease.

Table 2 Fecal calprotectin, C-reactive protein, and ulcerative colitis endoscopic index of severity in ulcerative colitis patients separated by the extent of disease

	Fecal calprotectin (μg/g)		UCEIS		CRP
	Median	Range	Median	Range	Median	Range
E1	116	100-620	3	1-4	0.06	0.04-0.17
E2	478	214.5-1249	3	1-4	0.19	0.04-0.45
E3	611	172-1800	3.5	3-4.5	0.3	0.05-1.04

EIS: Endoscopic index of severity; CRP: Serum C-reactive protein; E1: Proctitis; E2: Left-sided UC; E3: Extensive; UCEIS: Ulcerative colitis endoscopic index of severity.

Table 3 Fecal calprotectin, Serum C-reactive protein and Crohn’s disease endoscopic index of severity divided by location of the disease in patients with Crohn's disease

	Fecal calprotectin (μg/g)		CDEIS		CRP
	Median	Range	Median	Range	Median	Range
L1	2693	1071-5010	9	8-18.5	0.56	0.13-1.09
L2	176	100-573	3.9	3.2-9.2	0.05	0.03-0.15
L3	279	100-2175	8	6-27.5	0.17	0.08-1.27

EIS: Endoscopic index of severity; CRP: Serum C-reactive protein; L1: Ileum; L2: Colon; L3: Ileocolon; CDEIS: Crohn's disease endoscopic index of severity.