Table 1 Clinical demographics of IBD patients in the Hong Kong cohort
Variables | Crohn’s disease (n = 185) | Ulcerative colitis (n = 221) |
|---|---|---|
Age (mean ± SD) | 40.6 ± 14.3 | 48.4 ± 14.0 |
Age at diagnosis (mean ± SD) | 32.1 ± 14.1 | 38.6 ± 13.1 |
Sex [male, n (%)] | 125 (67.6) | 116 (52.5) |
Smoking history | ||
Active smoker Ex-smoker Non-smoker | 16 (8.6) 30 (16.2) 139 (75.1) | 17 (7.7) 29 (13.1) 175 (79.2) |
Montreal classification (n, %) | ||
Disease location | ||
Ileum Colon Ileocolon | 34 (18.3) 47 (25.4) 104 (56.3) | -- |
Upper GI involvement | 38 (20.5) | -- |
Disease behavior | ||
Inflammatory Stricturinga Penetratinga | 82 (44.3) 53 (28.6) 67 (36.2) | -- |
Perianal involvement | 32 (17.2) | -- |
Disease extent | ||
Proctitis Left sided UC Pancolitis | -- | 67 (30.3) 65 (29.4) 89 (40.3) |