Table 1

 Demographical and clinical characteristics of the study cohort

Patients (n = 174)
AZA, azathioprine; CD, Crohn’s disease; IFX, infliximab; IS, immunosuppression; IQR, interquartile range; MTX, methotrexate; WBC, white blood cell.
Values are given as n (%) unless otherwise specified.
Female107 (61.5)
Mean age (range years)39 (18–73)
Mean age at first IFX (range; years)35 (14/72)
Indication for IFX
    Luminal CD138 (79)
    Fistulising CD36 (21)
Disease location
    Ileitis36 (21)
    Ileocolitis84 (48)
    Colitis54 (31)
Concomitant IS therapy
    No IS59 (34.0)
    AZA65 (37.3)
    MTX50 (28.7)
Active smoking45 (25.9)
Median WBC baseline (IQR)7.800 (6.125–9.875)