Table 2

 Clinical characteristics of the 412 patients with Crohn’s disease included in the phenotypic analyses

*Information about age at disease onset was available in 341 patients.
†Including perianal fistulae.
n412
Age at disease onset* (y)
    Mean (median) [range]27.8 (24) [7–71]
Age at disease onset* (n (%))
    <40 y289 (84.8%)
    ⩾40 y52 (15.2%)
Disease location (n (%))
    Ileal and no colonic50 (12.2%)
    Colonic and no ileal62 (15.1%)
    Both ileal and colonic298 (72.7%)
    Any ileal348 (84.9%)
    Any colonic360 (87.8%)
Disease behaviour (n (%))
    Fistulising† and non-fibrostenotic58 (14.1%)
    Fibrostenotic and non-fistulising97 (23.5%)
    Fistulising and fibrostenotic165 (40.1%)
    Non-fistulising, non-fibrostenotic92 (22.3%)
    Any fistulising223 (54.1%)
    Any fibrostenotic262 (63.6%)
Surgery (n (%))
    Ileocaecal resection144 (34.9%)
    No ileocaecal resection268 (65.1%)