From: Preoperative dual-energy X-ray absorptiometry and FRAX in patients with lumbar spinal stenosis
Lumbar level | BMD | T-score | Z-score | ||||||
---|---|---|---|---|---|---|---|---|---|
AP | Lateral | Lateral mid | AP | Lateral | Lateral mid | AP | Lateral | Lateral mid | |
L2 | 1.023 ± 0.203 | 0.626 ± 0.143 *** | 0.527 ± 0.163 *** | − 0.1 ± 1.8 | − 2.3 ± 1.4 *** | − 2.7 ± 1.2 *** | 1.7 ± 1.9 | 0.6 ± 1.5 *** | 0.2 ± 1.2 *** |
L3 | 1.049 ± 0.208 | 0.661 ± 0.152 *** | 0.573 ± 0.190 *** | 0.1 ± 1.9 | − 2.2 ± 1.7 *** | − 2.0 ± 1.7 *** | 2.0 ± 2.0 | 0.7 ± 1.8 *** | 0.5 ± 1.8 *** |
L4 | 1.138 ± 0.202 | 0.670 ± 0.197 *** | 0.628 ± 0.229 *** | 0.7 ± 1.8 | − 1.1 ± 2.0 *** | − 1.6 ± 1.8 *** | 2.6 ± 1.9 | 1.6 ± 2.3 *** | 0.9 ± 2.0 *** |
total | 1.056 ± 0.186 | 0.682 ± 0.135 *** | 0.578 ± 0.140 *** | 0.5 ± 1.7 | − 1.7 ± 1.6 *** | − 2.2 ± 1.3 *** | 1.9 ± 1.8 | 1.7 ± 2.0 | 1.0 ± 1.8 *** |