Table 2.
Mean (95% CI) ratio values of srBMD for all groups.
| Ratio for subregions | Primary osteoporosis | GIO | Control |
|---|---|---|---|
| Posterior : whole (2 : 1) | 1.13 (1.09–1.17) | 1.27 (1.15–1.38) a | 1.16 (1.12–1.19) |
| Middle : whole (3 : 1) | 1.01 (0.99–1.03) | 1.01 (0.92–1.10) | 1.00 (0.98–1.01) |
| Anterior : whole (4 : 1) | 0.84 (0.81–0.88) | 0.72 (0.58–0.86) a | 0.83 (0.80–0.86) |
| Superior : whole (5 : 1) | 0.95 (0.93–0.98) | 1.01 (0.94–1.10) | 1.00 (0.96–1.04) |
| Central : whole (6 : 1) | 0.90 (0.87–0.92) | 0.85 (0.78–0.92) | 0.92 (0.89–0.95) |
| Inferior : whole (7 : 1) | 1.14 (1.12–1.18) | 1.13 (1.02–1.24) | 1.08 (1.05–1.11) |
| Middle : posterior (3 : 2) | 0.90 (0.86–0.95) | 0.81 (0.71–0.91) | 0.87 (0.84–0.90) |
| Anterior : posterior (4 : 2) | 0.76 (0.70–0.82) | 0.59 (0.45–0.74) a | 0.73 (0.69–0.77) |
| Anterior : middle (4 : 3) | 0.84 (0.80–0.88) | 0.75 (0.56–0.93) | 0.84 (0.80–0.88) |
| Central : superior (6 : 5) | 0.95 (0.91–1.00) | 0.85 (0.75–0.95) | 0.94 (0.89–0.99) |
| Superior : inferior (5 : 7) | 0.85 (0.80–0.90) | 0.93 (0.77–1.09) | 0.95 (0.88–1.01) |
| Central : inferior (6 : 7) | 0.80 (0.76–0.84) | 0.78 (0.65–0.91) | 0.86 (0.81–0.92) |
aSignificant difference compared to both primary osteoporosis and control groups (P < 0.05).