Table 1 Fourfold table of OSTA comparing with LS BMD by DXA
From: Concordane of OSTA and lumbar spine BMD by DXA in identifying risk of osteoporosis
| Â | LS BMD by DXA | |||||
|---|---|---|---|---|---|---|
|  | T ≤ -2.5 | T ≤ -2.0 | ||||
OSTA index | OP | non-OP | total | OP | non-OP | total |
moderate-high risk | 52 | 56 | 108 | 77 | 31 | 108 |
low risk | 36 | 74 | 110 | 57 | 53 | 110 |
total | 88 | 130 | 218 | 134 | 84 | 218 |