Table 1 Demographic characteristics of UC by age
From: Elderly-onset vs adult-onset ulcerative colitis: a different natural history?
Characteristics | Elderly (≥ 65 yrs) N = 94 | Adults (40–64 yrs) N = 94 | p value |
|---|---|---|---|
Median age at diagnosis (yrs, SD) | 71.5 (5.0) | 50.1 (6.7) | < 0.0005 |
Female N (%) | 43 (45.7) | 43 (45.7) | 0.883 |
Family history for IBD N (%) | 8 (9.4) | 7 (8.4) | 0.824 |
Smokers N (%) | 7 (8.5) | 13 (15.3) | Â |
Ex smokers N (%) | 34 (41.5) | 41 (48.2) | 0.150 |
Non smokers N (%) | 41 (50.0) | 32 (36.5) | Â |
Follow up lenght, yrs. mean (SD) | 8.1 (15.6) | 5.7 (13.2) | 0.1155 |
Time from symptoms onset to diagnosis, yrs., mean SD | 5.8 (4.6) | 6.2 (4.7) | 0.5872 |
Comorbidity Index (CIRS) | 3.78 (2.02) | 1.57 (0.87) | 0.0005 |