Table 1.

Demographic and clinical characteristics of IPAA cohort

	Patients cohort ( n  = 265)
Age at recruitment, years (mean, range)	47 (18–76)
Gender (% female)	135 (50.5)
Time since ileostomy closure (mean years, range)	12 (1–40)
Smoking (% at recruitment)	24 (9.2)
Antibiotic use previous month (%)	78 (29.4)
Distribution of patients in phenotypic outcome groups, number (%)
FAP	32 (12)
NP	72 (27)
CP	27 (10)
CDL	34 (13)
AP	69 (26)

All recruited patients had IPAA surgery >1 year prior to recruitment except for two, whose previous diagnoses were pouchitis and FAP, respectively.