| Pre-operation | Post-operation | t value | p value |
---|---|---|---|---|
DH (L4/5) | 14.17 ± 1.74 | 14.01 ± 2.23 | 0.760 | 0.451 |
DHI (L4/5) | 0.381 ± 0.03 | 0.370 ± 0.04 | 1.993 | 0.051 |
DH (L5S1) | 14.13 ± 1.90 | 13.82 ± 2.03 | 1.712 | 0.093 |
DHI (L5S1) | 0.389 ± 0.05 | 0.380 ± 0.05 | 1.772 | 0.082 |