Table 1.

Baseline characteristics in patients included at debut of ulcerative colitis and in healthy controls (see “Patients included and biopsies collection” and “Baseline characteristics” sections for further details)

Study group	Number of subjects	Average age (SD)	Sex female/male	Median TNF-α (IQR)	Average UCDAI score (SD)	Average Geboes index (SD)	Extend (Montreal classification [65])
UC patients	17	39.4 (16.7)	4/13	14,350 (16,725)	8.7 (2.2)	7.9 (3.8)	2 Proctitis 9 left sided UC 6 Extensive UC
Healthy control	15	51.9 (14.3)	5/10	4500 (2400)	–	–	–

UCDAI score and Geboes index averages calculated from available data for 15 and 16 patients, respectively