Table 2.

Results of fecal tests

	Calprotectin (μg/g)	Elastase (μg/g)	Alpha-1-antitrypsin (mg/g)
Number of patients	122	122	115
Median	164	444	0.51
Minimum	<30	<15	<0.20
Percentiles
25	95	339	0.30
75	257	545	0.80
Maximum	1587	647	2.20
Regular reference value	<50	>200	<1.10

Alpha-1-antitrypsin level could not be determined reliably in seven patients

μg/g microgram per gram feces, mg/g milligram per gram dry feces