Pearson correlation coefficients demonstrating the relationship between dual-energy x-ray absorptiometry T scores and the BMD of cortical and cancellous bone for each of the 7 anatomical regions of the lumbar spine.
| Vertebral Region | Cortical BMD | P Value | Cancellous BMD | P Value |
| Inferior articular process | 0.55 | 0.009 | 0.26 | 0.115 |
| Lamina | 0.55 | 0.009 | 0.29 | 0.072 |
| Pedicle | 0.74 | 0.001 | 0.57 | 0.008 |
| Superior articular process | 0.56 | 0.008 | 0.36 | 0.048 |
| Spinous process | 0.63 | 0.004 | 0.57 | 0.007 |
| Transverse process | 0.16 | 0.224 | 0.40 | 0.029 |
| Vertebral body | 0.43 | 0.030 | 0.82 | 0.000 |
Abbreviation: BMD, bone mineral density.