Fig. 1

Location, behaviour and disease activity in the investigated group
| Parameter | n (%) |
|---|---|
| Gender (M/F) | 134 (44%)/171 (56%) |
| Age at diagnosis | |
| A1 | 22 (7%) |
| A2 | 194 (63%) |
| A3 | 89 (29%) |
| Lesion location: | |
| L1 – ileal | 46 (15%) |
| L2 – colonic | 101 (33%) |
| L3 – ileocolonic | 158 (52%) |
| Disease behaviour | |
| B1 | 134 (44%) |
| B2 | 81 (27%) |
| B3 | 90 (29%) |
| Extraintestinal symptoms | 68 (22%) |
| Cigarette smoking | 91 (30%) |
| Appendectomy in the history | 42 (14%) |
Comparison of demographic and clinical features depending on the location of inflammatory lesions
| Parameter | Location L2 | Location L1 and L3 | p |
|---|---|---|---|
| Gender: | p>0.05 | ||
| Female | 56 | 115 | |
| Male | 45 | 89 | |
| Mean age | 46 ±16.28 | 40 ±13.79 | p>0.05 |
| Age at diagnosis: | p>0.05 | ||
| A1 (less than 17 years) | 4 (4%) | 18 (9%) | |
| A2 (17–40 years) | 60 (59%) | 134 (65%) | |
| A3 (more than 40 years) | 37 (37%) | 52 (26%) | |
| Strictures | 21% | 79% | p<0.01 |
| Abscesses | 24% | 76% | p>0.05 |
| Fistulas | 33% | 67% | p>0.05 |
| Surgical procedures | 27% | 73% | p<0.05 |
| Extraintestinal manifestations | 41% | 59% | p>0.05 |
| Appendectomy | 19% | 81% | p<0.05 |
| Biological therapy | 33% | 67% | p>0.05 |
| Azathioprine | 32% | 68% | p>0.05 |
| Depressive disorder | 33% | 67% | p>0.05 |
| Cigarette smoking | 27% | 73% | p>0.05 |