Table 4 Summary of CT evaluation
Parameter | Grade | preoperative | postoperative | Change value | Change rate % | P |
|---|---|---|---|---|---|---|
Anterior disk height | A | 10.52 ± 3.06 | 13.39 ± 2.66 | 2.87 ± 2.24 | 33.27 ± 30.27 | 0.431 |
B | 10.51 ± 3.24 | 13.35 ± 2.35 | 2.84 ± 2.15 | 37.47 ± 45.17 | 0.407 | |
C | 10.80 ± 3.31 | 13.26 ± 2.59 | 2.47 ± 2.07 | 31.57 ± 39.95 | 0.803 | |
D | 12.89 ± 2.87 | 15.22 ± 2.34 | 2.33 ± 2.06 | 21.39 ± 20.73 | – | |
Posterior disk height | A | 4.91 ± 1.90 | 7.57 ± 2.02 | 2.65 ± 1.64 | 71.46 ± 69.84 | 0.979 |
B | 5.62 ± 2.53 | 8.32 ± 2.40 | 2.70 ± 1.47 | 69.14 ± 71.19 | 0.940 | |
C | 5.56 ± 2.22 | 7.40 ± 2.33 | 1.83 ± 1.43 | 47.03 ± 57.90 | 0.070 | |
D | 6.17 ± 1.91 | 8.83 ± 1.95 | 2.67 ± 1.75 | 55.97 ± 57.35 | – | |
Disc angle | A | 5.50 ± 3.34 | 5.71 ± 2.61 | 1.21 ± 3.68 | – | 0.852 |
B | 5.04 ± 3.41 | 5.90 ± 3.78 | 0.85 ± 3.97 | – | 0.906 | |
C | 6.09 ± 3.32 | 7.34 ± 3.80 | 1.26 ± 3.91 | – | 0.790 | |
D | 6.74 ± 3.63 | 7.73 ± 3.89 | 0.99 ± 3.89 | – | – | |
Left foraminal height | A | 17.43 ± 2.27 | 19.74 ± 2.49 | 2.30 ± 2.12 | 14.13 ± 13.97 | 0.751 |
B | 17.86 ± 2.49 | 20.36 ± 2.96 | 2.50 ± 1.62 | 14.25 ± 9.23 | 0.433 | |
C | 17.71 ± 2.43 | 19.24 ± 2.53 | 1.53 ± 1.67 | 9.19 ± 9.93 | 0.206 | |
D | 18.17 ± 1.82 | 20.28 ± 1.60 | 2.11 ± 1.75 | 12.20 ± 10.28 | – | |
Right foraminal height | A | 16.65 ± 2.27 | 19.70 ± 2.20 | 3.04 ± 1.87 | 19.28 ± 12.94 | 0.098 |
B | 17.68 ± 2.14 | 20.51 ± 2.66 | 2.84 ± 1.83 | 16.68 ± 13.08 | 0.146 | |
C | 17.96 ± 2.36 | 19.62 ± 2.58 | 1.66 ± 2.05 | 9.95 ± 12.78 | 0.414 | |
D | 18.39 ± 2.09 | 20.44 ± 2.15 | 2.05 ± 1.83 | 11.83 ± 10.82 | – |