Comparison of demographics and preoperative clinical and radiographic parameters between groups A and B
| Group A | Group B | P value | |
|---|---|---|---|
| No. of patients | 22 | 22 | — |
| Mean age (y) | 35.2 ± 7.7 | 37.7 ± 7.8 | .29 |
| No. of male patients | 15 | 14 | — |
| No. female patients | 7 | 8 | — |
| Preoperative ODI (0–50) | 33.6 ± 6.4 | 32.1 ± 6.3 | .44 |
| Preoperative VAS (0–10) | 7.2 ± 1.7 | 7.9 ± 1.9 | .21 |
| Preoperative SF-12 PC (0–100) | 29.2 ± 5.2 | 27.7 ± 4.5 | .31 |
| Preoperative SF-12 MC (0–100) | 42.8 ± 10.4 | 41.4 ± 12.7 | .70 |
| Preoperative anterior disc height (mm) | 15.7 ± 5.8 | 14.4 ± 5.2 | .47 |
| Preoperative posterior disc height (mm) | 6.8 ± 2.3 | 6.9 ± 2.5 | .93 |
| Preoperative range of motion (°) | 9.7 ± 5.9 | 6.2 ± 5.8 | .07 |