Table 1 Clinical characteristics of patients with Crohn’s disease according to Montreal classification

Patient, n (%)

40

Sex, n (male/female)

(26/14)

Age, mean ± SD, years (range)

35.58 ± 1.67 (16–60)

BMI, mean ± SD, kg/m² (range)

18.22 ± 0.41 (14.31–24.65)

Age at diagnosis, n (%)

 A1 (≤ 16 years)

1 (2.5%)

 A2 (17–40 years)

27 (67.5%)

 A3 (> 40 years)

12 (30.0%)

Disease location, n (%)

 L1 (ileal)

24 (60.0%)

 L2 (colonic)

4 (10.0%)

 L3 (ileocolonic)

12 (30.0%)

Disease location, n (%)

 L1 (ileal)

24 (60.0%)

 L2 (colonic)

4 (10.0%)

 L3 (ileocolonic)

12 (30.0%)

Behaviors, n (%)

 B1 (non-stricturing, non-penetrating)

3 (7.5%)

 B2 (stricturing)

16 (40.0%)

 B3 (penetrating)

21 (52.5%)

 P (perianal disease), n (%)

9 (22.5%)

 Internal fistula or abscess, n (%)

13 (32.5%)