Prior to cage insertion | Following cage insertion | Following posterior fixation | P Value | Comparison prior to Cage insertion and following cage insertion (P Value) | Comparison following cage insertion and following posterior fixation (P value) | |
---|---|---|---|---|---|---|
Disc height (mm) | 8.2 ± 1.6 | 11.8 ± 1.7 | 11.8 ± 2.3 | < 0.001* | < 0.001* | 1.000 |
Disc height-Anterior (mm) | 9.6 ± 2.3 | 13.4 ± 2.1 | 13.7 ± 2.3 | < 0.001* | < 0.001* | 0.861 |
Disc height-Posterior (mm) | 6.1 ± 1.9 | 9.1 ± 2.1 | 8.4 ± 1.8 | < 0.001* | < 0.001* | 0.254 |
Slip ratio (%) | 11.1 ± 4.6 | 8.3 ± 4.4 | 2.1 ± 3.6 | < 0.001* | 0.020* | < 0.001* |
Segmental lordosis (°) | 8.7 ± 3.7 | 8.3 ± 3.0 | 10.7 ± 3.6 | 0.006* | 1.000 | 0.008* |