Table 1.
The number of individuals with a recorded fracture of the distal radius, the population at risk, the overall incidence rate per 104 person-years, and the average annual change in incidence rate (rate ratio) in Stockholm, Sweden, 2004–2010
| Sex Age group | No. of fractures | Population at risk | Incidence rate (95% CI) | Rate ratio per (95% CI) a | p-value year |
|---|---|---|---|---|---|
| Women | |||||
| ≤ 17 | 6,071 | 1,449,812 | 42 (41–43) | 0.95 (0.94–0.97) | < 0.01 |
| 18–39 | 1,938 | 2,113,882 | 9 (9–10) | 0.99 (0.97–1.01) | 0.3 |
| 40–64 | 7,779 | 2,210,100 | 35 (34–36) | 0.98 (0.95–1.01) | 0.2 |
| 65–79 | 5,636 | 730,046 | 77 (75–79) | 0.96 (0.94–0.98) | < 0.01 |
| ≥ 80 | 4,321 | 392,148 | 110 (107–114) | 0.97 (0.95–0.98) | < 0.01 |
| Men | |||||
| ≤ 17 | 9,844 | 1,525,859 | 64 (63–66) | 0.95 (0.93–0.96) | < 0.01 |
| 18–39 | 2,175 | 2,121,935 | 10 (10–11) | 0.98 (0.95–1.00) | 0.06 |
| 40–64 | 3,044 | 2,223,532 | 14 (13–14) | 0.98 (0.96–1.00) | 0.06 |
| 65–79 | 1,158 | 620,522 | 19 (18–20) | 0.94 (0.90–0.98) | < 0.01 |
| ≥ 80 | 617 | 200,683 | 31 (28–33) | 0.96 (0.91–1.00) | 0.06 |
a Analyzed with Poission regression.