Table 3.
Odds ratio of having a fracture per each SD decrease in TBS
| Model’s covariates | LS vertebrae included in TBS calculation | OR (95% CI) per each SD decrease in TBS | ||
|---|---|---|---|---|
| MOF | VF | Non-VF MOF | ||
| Age | L1 | 1.63 (1.35–1.96) | 1.79 (1.43–2.24) | 1.26 (0.94–1.69) |
| L2 | 1.52 (1.26–1.84) | 1.56 (1.24–1.96) | 1.35 (1.00–1.82) | |
| L3 | 1.40 (1.16–1.68) | 1.42 (1.14–1.77) | 1.29 (0.96–1.74) | |
| L4 | 1.32 (1.09–1.59) | 1.29 (1.03–1.62) | 1.32 (0.98–1.80) | |
| L1L2 | 1.77 (1.42–2.21) | 1.78 (1.37–2.31) | 1.58 (1.11–2.26) | |
| L2L3 | 1.56 (1.23–1. 96) | 1.47 (1.12–1.94) | 1.59 (1.09–2.32) | |
| L1-L3 | 1.64 (1.34–2.00) | 1.70 (1.34–2.16) | 1.41 (1.03–1.92) | |
| L2-L4 | 1.48 (1.21–1.81) | 1.47 (1.16–1.87) | 1.41 (1.02–1.94) | |
| L3L4 | 1.44 (1.15–1.81) | 1.56 (1.18–2.05) | 1.18 (0.82–1.70) | |
| L1-L4 | 1.60 (1.32–1.95) | 1.68 (1.32–2.13) | 1.36 (1.00–1.85) | |
| Age + VF_level | L1 | 1.57 (1.29–1.92) | 1.74 (1.35–2.24) | |
| L2 | 1.45 (1.18–1.77) | 1.46 (1.13–1.89) | ||
| L3 | 1.31 (1.07–1.60) | 1.28 (0.99–1.65) | ||
| L4 | 1.24 (1.02–1.51) | 1.16 (0.90–1.49) | ||
| L1L2 | 1.68 (1.32–2.13) | 1.64 (1.21–2.22) | ||
| L2L3 | 1.51 (1.18–1.93) | 1.39 (1.02–1.90) | ||
| L1-L3 | 1.52 (1.23–1.88) | 1.52 (1.16–1.99) | ||
| L2-L4 | 1.34 (1.09–1.66) | 1.25 (0.95–1.63) | ||
| L3L4 | 1.28 (1.00–1.63) | 1.30 (0.96–1.77) | ||
| L1-L4 | 1.48 (1.20–1.82) | 1.50 (1.15–1.96) | ||
| Age + LS BMD | L1 | 1.49 (1.18–1.87) | 1.64 (1.25–2.16) | 1.16 (0.80–1.67) |
| L2 | 1.39 (1.10–1.76) | 1.33 (1.00–1.76 | 1.43 (0.98–2.07) | |
| L3 | 1.24 (0.99–1.54) | 1.20 (0.92–1.56) | 1.27 (0.89–1.81) | |
| L4 | 1.17 (0.94–1.46) | 1.10 (0.84–1.43) | 1.28 (0.89–1.83) | |
| L1L2 | 1.62 (1.22–2.15) | 1.62 (1.15–2.26) | 1.49 (0.94–2.37) | |
| L2L3 | 1.37 (1.03–1.82) | 1.27 (0.91–1.79) | 1.49 (0.94–2.37) | |
| L1-L3 | 1.51 (1.16–1.95) | 1.48 (1.08–2.02) | 1.44 (0.95–2.18) | |
| L2-L4 | 1.35 (1.04–1.74) | 1.25 (0.92–1.69) | 1.47 (0.97–2.22) | |
| L3L4 | 1.28 (0.97–1.68) | 1.24 (0.89–1.73) | 1.29 (0.83–2.00) | |
| L1-L4 | 1.46 (1.12–1.89) | 1.43 (1.05–1.96) | 1.40 (0.93–2.12) | |
| Age + LS BMD + VF_level | L1 | 1.46 (1.15–1.87) | 1.67 (1.22–2.28) | |
| L2 | 1.37 (1.07–1.75) | 1.28 (0.93–1.76) | ||
| L3 | 1.17 (0.92–1.49) | 1.08 (0.80–1.46) | ||
| L4 | 1.12 (0.88–1.41) | 1.01 (0.75–1.36) | ||
| L1L2 | 1.61 (1.18–2.18) | 1.61 (1.09–2.39) | ||
| L2L3 | 1.34 (0.98–1.82) | 1.20 (0.81–1.78) | ||
| L1-L3 | 1.46 (1.11–1.93) | 1.42 (0.99–2.02) | ||
| L2-L4 | 1.27 (0.97–1.67) | 1.11 (0.78–1.58) | ||
| L3L4 | 1.17 (0.87–1.57) | 1.06 (0.73–1.55) | ||
| L1-L4 | 1.38 (1.05–1.82) | 1.32 (0.93–1.89) | ||
SD standard deviation, TBS trabecular bone score, MOF major osteoporotic fracture, VF vertebral fracture, OR odds ratio, CI confidence interval, LS lumbar spine, BMD bone mineral density