Table.
Number of distal radius fractures and incidence per 104 individuals for each age group, in Reykjavik in 2004, according to the modified AO classification. (Here, age over 18 is used for comparison with the table from Brogren et al. (2007))
| 19–49 years | 50–79 years | > 80 years | |||||
|---|---|---|---|---|---|---|---|
| n | Incidence | n | Incidence | n | Incidence | p-value a | |
| AO type | (95% CI) | (95% CI) | (95% CI) | ||||
| Women | |||||||
| A | 19 | 7 (4–10) | 69 | 49 (37–60) | 30 | 131 (85–178) | < 0.001 |
| B | 1 | 0.4 (0–1.0) | 5 | 3.5 (0.4–7) | 1 | 4 (0–13) | 0.2 |
| C | 9 | 3 (1.2–6) | 14 | 10 (5–15) | 9 | 39 (14–65) | < 0.001 |
| Men | |||||||
| A | 14 | 5 (3–8) | 15 | 12 (6–18) | 4 | 28 (0.6–55) | 0.001 |
| B | 7 | 3 (0.7–5) | 4 | 3 (0.1–6) | 1 | 7 (0–21) | 0.3 |
| C | 10 | 4 (1.4–6) | 9 | 7.1 (2.4–12) | 2 | 14 (0–33) | 0.04 |
a Comparing incidence rates among the three age groups using the one-way chi-square test.