Table 2.

Reported median levels of fecal calprotectin in healthy individuals of different ages.

Ages	Median levels of fecal calprotectin (range) (µg/g)	Number of subjects	Used kit	Reference
Up to 18 month	174.3 (24–764)	288	Bühlmann ,ELISA	[37],
Children 1–4 years	83.19 (14.69–419.45)	274	Bühlmann ,ELISA	[38],
Children 4–12 years	28 (25–35)	159	CALPRO® Calprotectin ELISA Test (ALP)	[36],
Adults	18 (10–34)	43	PhiCal	[39],
Over 60 years	27 (14–118)	20	Phical	[34],