Table 2 Overall radiographic evaluation results
Results(n = 181) | preoperative | postoperative | Change | Change rate % | P |
|---|---|---|---|---|---|
CT measurements | |||||
Anterior disk height | 10.96 ± 3.23 | 13.52 ± 2.54 | 2.57 ± 2.10 | 31.53 ± 38.18 | <0.001 |
Posterior disk height | 5.54 ± 2.21 | 7.74 ± 2.31 | 2.20 ± 1.53 | 56.29 ± 63.17 | <0.001 |
Disc angle | 5.96 ± 3.37 | 7.01 ± 3.69 | 1.06 ± 3.84 | – | 0.005 |
Left foraminal height | 17.74 ± 2.35 | 19.63 ± 2.56 | 1.90 ± 1.76 | 11.22 ± 10.55 | <0.001 |
Right foraminal height | 17.75 ± 2.33 | 19.89 ± 2.53 | 2.14 ± 2.02 | 12.89 ± 13.07 | <0.001 |
MRI measurements | |||||
Midsagittal canal diameter | 7.92 ± 2.86 | 10.02 ± 2.77 | 2.11 ± 1.63 | 38.46 ± 66.27 | <0.001 |
axial central canal area | 96.67 ± 50.12 | 117.60 ± 52.92 | 21.25 ± 18.30 | 28.03 ± 26.63 | <0.001 |