Table 4.

Fecal calprotectin assessment in patients with IBD^a.

	Ileal Crohn’s disease	Ulcerative colitis
Time to assessment after treatment initiation
2 weeks	1 (2%)	2 (4%)
4 weeks	7 (13%)	19 (35%)
8 weeks	22 (40%)	22 (40%)
12 weeks	15 (27%)	9 (16%)
After induction and only if remission is not achieved	10 (18%)	3 (5%)
Cutoff value to consider it sufficient
<250 µg/g	5 (10%)	8 (15%)
<150 µg/g	9 (16%)	8 (15%)
<100 µg/g	2 (4%)	0 (0%)
I do not have a clear cutoff and analyze changes from the previous level (total reductions)	39 (70%)	39 (70%)

Abbreviations: g, gram; IBD, inflammatory bowel disease; µg, microgram.

^aResults are expressed as numbers and percentages (%).