Table 3. Prospective Studies of DXA and Ultrasound Reporting Hip Fractures
| Cohort |
Population |
Age Range |
Followup (years) |
N |
Probability of hip fracture |
Probability of Hip Fracture1 |
| DXA of the hip2 |
QUS of the heel2 |
| "low risk" |
"high risk" |
"low risk" |
"high risk" |
| Study of Osteoporotic Fractures (SOF) (92, 94-96) |
Community-dwelling white women from four areas in the U.S. recruited from lists. |
≥65 |
1.8-2.9 |
5236 |
0.009 |
0.005 |
0.023 |
0.006 |
0.018 |
| 65-79 |
2.9 |
|
|
|
|
0.006 |
0.23 |
| ≥80 |
2.9 |
|
|
|
|
|
|
| 65-69 |
1.8 |
2371 |
0.003 |
0.0028 |
0.005 |
|
|
| 70-74 |
1.8 |
3013 |
0.0076 |
0.005 |
0.016 |
|
|
| 75-79 |
1.8 |
1728 |
0.007 |
0.003 |
0.019 |
|
|
| 80-84 |
1.8 |
731 |
0.018 |
0.007 |
0.049 |
|
|
| ≥85 |
1.8 |
291 |
0.024 |
0.014 |
0.028 |
|
|
| Epidemiologie de L'Osteoporos (EPIDOS) (97-100) |
Women from five cities in France recruited from voting lists and health insurance companies. |
≥75 |
2 |
5656 |
0.02 |
0.033 |
0.008 |
0.012 |
0.029 |
| <80 |
2 |
3982 |
0.013 |
0.002 |
0.025 |
|
|
| ≥80 |
2 |
3616 |
0.028 |
0.006 |
0.04 |
|
|
1 Probability of hip fracture if bone density was classified as high or low risk.
2 DXA=Dual energy x-ray absorptiometry, QUS=Quantitative ultrasound.
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