Table 2.
Anatomical location of the performed surgical procedures and the respective length of fusion (n=962)
| Variable | No. (%) | Mean length of fusion±SEM |
|---|---|---|
| Occipital-cervical | 8 (0.8) | 4.1±0.8 |
| Cervical | 39 (4.0) | 1.8±0.2 |
| Cervical-thoracic | 36 (3.7) | 5.8±0.5 |
| Thoracic | 143 (14.8) | 4.1±0.2 |
| Thoracic-lumbar | 233 (24.2) | 4.8±0.2 |
| Lumbar | 294 (30.5) | 1.9±0.1 |
| Lumbar-sacral | 185 (19.2) | 2.2±0.1 |
| Thoracic-sacral | 24 (2.5) | 6.1±0.6 |
The first column includes the frequency distribution with fraction of total (%). The second column shows the average amount of operated spinal levels with SEM.
SEM, standard error of the mean.