Table 6

Association of the selected variables with the criteria defining 15-year Crohn's disease (CD) severity

Age <33 years*Lower educational levelEver smokingRectal involvementCD duration <7 years*
N300365303229300
Activity >3 years172 (57)0.001190 (52)0.01171 (56)0.001122 (53)0.03172 (57)0.001
114 (38)96 (41)115 (39)164 (44)114 (38)
>1 bowel surgery35 (12)NS37 (10)NS31 (10)NS22 (10)NS34 (11)NS
23 (8)21 (9)27 (9)36 (10)24 (8)
Permanent stoma21 (7)NS32 (9)0.0422 (8)NS30 (15)0.00120 (7)NS
21 (8)10 (5)20 (7)12 (3)22 (8)
CD-related death3 (1)0.00313 (4)NS9 (3)NS10 (4)NS8 (3)NS
20 (7)10 (4)14 (5)13 (4)15 (5)
Any criteria182 (61)0.001212 (58)0.005182 (60)0.001139 (61)0.005187 (62)0.001
139 (46)109 (46)139 (47)182 (49)134 (45)
  • * Median value for the 600 patients.

  • Patients with prior permanent stoma excluded.

  • NS, not significant.