Table 3.
Unadjusted and adjusteda relative risk estimates with their 95% confidence interval (CI) for future fracture by site in women with rib fracture history 0compared to no fracture history
| Future fx site | Relative risk (95% CI) for future fracture by specific future fracture site
|
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rib
|
Hip
|
Spine
|
Wrist
|
Forearm
|
Any fracture
|
|||||||
| Age group (years) | Unadj | Adj | Unadj | Adj | Unadj | Adj | Unadj | Adj | Unadj | Adj | Unadj | Adj |
| 50–59 (N=59,227) | 9.7 (7.8–12.1) | 7.2 (5.8–9.0) | 2.3 (0.9–5.6) | 1.6 (0.7–4.0) | 3.2 (1.9–5.3) | 2.3 (1.4–3.9) | 2.1 (1.5–3.2) | 1.7 (1.1–2.4) | 1.1 (0.4–2.9) | 0.9 (0.3–2.4) | 4.4 (3.7–5.3) | 3.4 (2.8–4.0) |
| 60–69 (N=54,175) | 6.9 (5.5–8.7) | 5.5 (4.4–6.9) | 1.4 (0.7–2.6) | 1.0 (0.6–1.9) | 3.3 (2.3–4.8) | 2.6 (1.8–3.8) | 1.8 (1.3–2.4) | 1.4 (1.03–2.0) | 1.7 (0.9–3.4) | 1.5 (0.8–2.9) | 3.1 (2.6–3.6) | 2.5 (2.1–3.0) |
| 70–79 (N=34,585) | 5.1 (4.1–6.4) | 4.3 (3.4–5.3) | 1.7 (1.2–2.5) | 1.4 (0.9–2.0) | 2.1 (1.5–3.0) | 1.7 (1.2–2.4) | 1.5 (1.1–2.1) | 1.2 (0.9–1.7) | 0.9 (0.4–2.0) | 0.8 (0.3–1.7) | 2.4 (2.1–2.8) | 2.0 (1.7–2.3) |
| 80+ (N=7,044) | 5.0 (3.4–7.2) | 4.5 (3.1–6.6) | 1.1 (0.6–2.1) | 1.0 (0.6–1.9) | 2.5 (1.4–4.4) | 2.2 (1.3–3.9) | 1.5 (0.9–2.6) | 1.3 (0.7–2.3) | 1.6 (0.6–4.5) | 1.5 (0.5–4.1) | 2.2 (1.7–2.9) | 2.0 (1.6–2.6) |
| Overallb | 7.2 (6.4–8.1) | 5.4 (4.8–6.1) | 2.1 (1.6–2.8) | 1.2 (0.9–1.6) | 3.1 (2.5–3.9) | 2.1 (1.7–2.6) | 1.9 (1.6–2.3) | 1.4 (1.1–1.7) | 1.4 (0.9–1.7) | 1.1 (0.7–1.8) | 3.4 (3.1–3.7) | 2.4 (2.2–2.6) |
a
Adjusted for BMD T-score, ethnicity, education, self-rated health status, maternal or family history of fracture, estrogen use, body weight, current corticosteroid use, smoking status, menopause before age 40 years, and alcohol use
b
Adjusted variables included age plus the covariates listed above