Table 2.

Test Characteristics of Faecal BAFF and Calprotectin.

		HC	IBS	IBD	HC vs. IBS HC vs. IBD IBS vs. IBD
BAFF (pg/ml)	Median	157.8	179.7	559.8	P = 0.976
					P < 0.0001
	IQR	85.1–189.9	97.9–190.8	226.6–1235.5	P < 0.0001
Calprotectin (µg/g)	Median	18.3	16.5	95.0	P = 0.1004
					P = 0.001
	IQR	15.5–24.6	14.5–19.7	52.6–467.6	P = 0.002

HC, healthy controls; IBS, irritable bowel syndrome; IBD, inflammatory bowel disease. IQR interquartile range.