Table 1. Available samples and key metadata in the different analyses.

Series		Ulcerative colitis				Normal control	Total N
Day to day variation*	N	8	18	10	4	11	51*
	MES	0	1	2	3	0
Assay comparison	N	43	42	43	42	16	186**
		Quartile 1	Quartile 2	Quartile 3	Quartile 4	Mean (Min–max)
	Calpro	0–25	26–137	138–595	596–1485	64 (24–195)
	Calprest	0–35	36–120	121–386	387–3000	52 (24–145)
ROC	n	104**	104**	96	96		104
	Analysis	MES = 0 by Calprotectin	MES ≥2 by Calprotectin	TNF by Calprotectin	TNF by Calprotectin+MES
	Pos/neg	42/62	25/79	27/69	27/69

*43 and

**66 of these samples were used in an earlier publication [12]. Calprotectin values are mg/kg. MES: Mayo endoscopic sub-score. ROC: receiver operating characteristics. TNF: Tumor necrosis factor gene expression.