Table 2.
Characteristics of the patients
| Age at diagnosis (%) (n=163) | |
| <40 years (A1) | 85.4 |
| >40 years (A2) | 14.6 |
| Location of disease (%) (n=163) | |
| Ileal (L1) | 45.4 |
| Colonic (L2) | 27.6 |
| Ileocolonic (L3) | 22.1 |
| Upper gastrointestinal tract (L4) | 4.9 |
| Sex (%) (n=163) | |
| Male | 33.7 |
| Female | 66.3 |
| Smoking habit (%) (n=124) | |
| Yes | 52.4 |
| No | 47.6 |
| Familial disease (%) (n= 156) | |
| Yes | 16.0 |
| No | 84.0 |
| ASCA (%) (n=90) | |
| Positive | 62.2 |
| Negative | 37.8 |
| NOD2/CARD15 (%) (n=101) | |
| Wild-type | 54.5 |
| Variant | 45.5 |
| Steroid courses (No/year) (n=126) | 0.4 (0.53)* |
| Flares of CD (No/year) (n=126) | 0.89 (0.8)* |
| Azathioprine treatment (months/year) (n=145) | 0.25 (0.1)* |
CD, Crohn’s disease; ASCA, antisaccharomyces cerevisiae antibodies.
*Mean (SD).