Table 4 Age-adjusted standardized incidence ratio of Crohn’s disease in female 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=2315) | (n=6809) | |||
Age at diagnosis | Observed(Inc)a | Observed(Inc) | ||
>=20, <30 | 1 (0.56) | 35 (6.07) | 0.09 | 0.01–0.65 |
>=30, <40 | 3 (0.95) | 39 (3.96) | 0.24 | 0.07–0.78 |
>=40, <50 | 1 (0.21) | 68 (4.21) | 0.05 | 0.01–0.36 |
>=50, <60 | 2 (0.53) | 57 (4.60) | 0.12 | 0.03–0.49 |
>=60 | 1 (0.33) | 60 (5.38) | 0.06 | 0.01–0.44 |
Total | 8 (0.48) | 259 (4.68) | 0.10 | 0.05–0.20 |
Age adjusted standardized incidence ratio | 0.10 | 0.05–0.21 | ||