Table 1 Measurement of parameters in the two groups on lateral x-ray (mean ± standard deviation)
Group | Time point | aDH/W | pDH/W | α (°) | β (°) |
|---|---|---|---|---|---|
Topping-off | Pre-op | 0.46 ± 0.05 | 0.22 ± 0.05 | 8 ± 3 | 33 ± 11 |
Post-op | 0.48 ± 0.06 | 0.20 ± 0.04 | 11 ± 4 | 42 ± 10 | |
PLIF | Pre-op | 0.46 ± 0.07 | 0.23 ± 0.04 | 10 ± 4 | 32 ± 12 |
Post-op | 0.49 ± 0.05 | 0.21 ± 0.04 | 13 ± 5 | 40 ± 15 |