Table 3 Age-adjusted standardized incidence ratio of Crohn’s disease in male scleroderma patients stratified by age
From: Reduced incidence of Crohn’s disease in systemic sclerosis: a nationwide population study
Systemic sclerosis | Control | Incidence Ratio | 95 % CI | |
|---|---|---|---|---|
(n = 514) | (n = 1448) | |||
Age at diagnosis | Observed(Inc)a | Observed(Inc) | ||
> = 20, <40 | 1 (1.31) | 16 (7.03) | 0.19 | 0.03–1.43 |
> = 40, <50 | 1 (1.59) | 9 (4.21) | 0.38 | 0.05–2.97 |
> = 50 | 1 (0.59) | 37 (5.35) | 0.11 | 0.02–0.79 |
Total | 3 (0.97) | 62 (5.47) | 0.18 | 0.06–0.57 |
Age adjusted standardized incidence ratio | 0.18 | 0.05–0.62 | ||