Table 2.
Men, Number of Fractures | Men, Follow-Up Time, y | Men, IR of Fracture/1000 Person-Years (95% CI) | Women, Number of Fractures | Women, Follow-Up Time, y | Women, IR of Fracture/1000 Person-Years (95% CI) | IRR (men/women) (95% CI) | |
---|---|---|---|---|---|---|---|
All age groups | 274 | 9696.4 | 28.3 (24.9–31.6) | 120 | 3809.5 | 31.5 (25.9–37.1) | 0.90 (0.72–1.11) |
Age ≤35 | 12 | 943.7 | 12.7 (5.5–19.9) | 15 | 792.9 | 18.9 (9.3–28.5) | 0.67 (0.31–1.44) |
Age 36–45 | 85 | 3555.6 | 23.9 (18.8–29.0) | 35 | 1444.4 | 24.2 (16.2–32.3) | 0.99 (0.67–1.46) |
Age 46–55 | 1254 | 3577.4 | 34.9 (28.8–41.1) | 54 | 1179.5 | 45.8 (33.6–58.0) | 0.76 (0.55–1.05) |
Age 56–65 | 39 | 1340.6 | 29.1 (20.0–38.2) | 10 | 311.3 | 32.1 (12.2–52.0) | 0.91 (0.45–1.81) |
Age ≥66 | 13 | 279.1 | 46.6 (21.3–71.9) | 6 | 81.5 | 73.7 (14.7–132.6) | 0.63 (0.24–1.66) |