Table 2.
Odds ratio of having a fracture per each SD decrease in LS BMD
| Model’s covariates | LS vertebrae included in BMD calculation | OR (95% CI) per each SD decrease in LS BMD | ||
|---|---|---|---|---|
| MOF | VF | Non-VF MOF | ||
| Age | L1 | 1.35 (1.16–1.56) | 1.41 (1.17–1.69) | 1.19 (0.95–1.50) |
| L2 | 1.25 (1.10–1.42) | 1.35 (1.15–1.58) | 1.07 (0.88–1.30) | |
| L3 | 1.22 (1.09–1.37) | 1.28 (1.11–1.47) | 1.10 (0.93–1.31) | |
| L4 | 1.18 (1.06–1.31) | 1.21 (1.07–1.38) | 1.11 (0.94–1.31) | |
| L1L2 | 1.41 (1.19–1.68) | 1.43 (1.16–1.76) | 1.31 (0.99–1.75) | |
| L2L3 | 1.34 (1.13–1.59) | 1.33 (1.08–1.63) | 1.28 (0.97–1.69) | |
| L1-L3 | 1.32 (1.15–1.53) | 1.40 (1.17–1.68) | 1.15 (0.92–1.44) | |
| L2-L4 | 1.25 (1.09–1.42) | 1.30 (1.11–1.52) | 1.12 (0.91–1.37) | |
| L3L4 | 1.26 (1.08–1.46) | 1.41 (1.17–1.71) | 1.00 (0.80–1.25) | |
| L1-L4 | 1.30 (1.14–1.48) | 1.38 (1.17–1.62) | 1.12 (0.92–1.38) | |
| Age + VF_level | L1 | 1.30 (1.11–1.52) | 1.33 (1.10–1.63) | |
| L2 | 1.20 (1.05–1.37) | 1.28 (1.07–1.53) | ||
| L3 | 1.18 (1.05–1.33) | 1.23 (1.05–1.43) | ||
| L4 | 1.15 (1.03–1.28) | 1.15 (1.01–1.32) | ||
| L1L2 | 1.33 (1.10–1.60) | 1.29 (1.02–1.63) | ||
| L2L3 | 1.31 (1.09–1.57) | 1.29 (1.03–1.62) | ||
| L1-L3 | 1.24 (1.07–1.44) | 1.27 (1.05–1.54) | ||
| L2-L4 | 1.17 (1.02–1.34) | 1.17 (0.99–1.39) | ||
| L3L4 | 1.17 (1.00–1.37) | 1.29 (1.05–1.58) | ||
| L1-L4 | 1.23 (1.07–1.41) | 1.28 (1.07–1.53) | ||
SD standard deviation, LS lumbar spine, BMD bone mineral density, MOF major osteoporotic fracture, VF vertebral fracture, OR odds ratio, CI confidence interval, TBS trabecular bone score