Comparison of Fecal Calprotectin Methods for Predicting Relapse of Pediatric Inflammatory Bowel Disease

Table 2

Studied imprecision.

Manufacturer	Within run				Between run
	Mean	SD	95% CI	% CV	Mean	% CV
Bühlmann
Low sample	58	4.7	3.6–7.1	8.1	38	9.1
High sample	396	15.1	11.3–22.1	3.8	408	12.4
PhiCal
Low sample	43	3.3	2.3–5.9	7.6	50	6.9
High sample	147	6.7	4.6–12.2	4.5	160	8.4
EliA
Low sample	64	2.5	1.8–4.2	3.9	42	7.5
High sample	342	15.6	11.9–22.8	4.6	640	6.5