Annual incidence (per 100,000) of psoriatic arthritis* by age and sex between January 1, 1970, and December 31, 1999, in Olmsted County, Minnesota.
| Male | Female | Total | ||||
|---|---|---|---|---|---|---|
| Age Group, yrs | n | Rate | n | Rate | n | Rate |
| 20–29 | 20 | 7.6 | 14 | 4.5 | 34 | 5.9 |
| 30–39 | 29 | 12.2 | 10 | 4.1 | 39 | 8.1 |
| 40–49 | 17 | 9.5 | 9 | 4.9 | 26 | 7.1 |
| 50–59 | 11 | 8.6 | 14 | 10.5 | 25 | 9.6 |
| 60–69 | 8 | 9.4 | 5 | 5.0 | 13 | 7.0 |
| 70–79 | 5 | 10.0 | 4 | 5.2 | 9 | 7.1 |
| 80+ | 0 | 0 | 1 | 1.8 | 1 | 1.3 |
| Total (95% CI) | 90 | 9.1 (7.1, 11.0)† | 57 | 5.4 (4.0, 6.9)† | 147 | 7.2 (6.0, 8.4)†† |