Table 4 Comparison of imaging data between ASDis group and asymptomatic group
Indicated | ASDis group (n = 17) | asymptomatic group (n = 102) | P value |
|---|---|---|---|
Preoperative image | Â | Â | Â |
LL (º, x̅±s) | 34.10 ± 13.83 | 41.75 ± 13.38 | 0.032 |
PT (º, x̅±s) | 16.06 ± 8.48 | 19.94 ± 10.23 | 0.142 |
SS (º, x̅±s) | 28.60 ± 10.41 | 30.90 ± 8.39 | 0.316 |
PI-LL (º, x̅±s) | 10.48 ± 11.73 | 8.47 ± 14.02 | 0.578 |
SL (º, x̅±s) | 15.83 ± 5.07 | 22.77 ± 4.68 | 0.022 |
PI (º, x̅±s) | 44.58 ± 10.56 | 50.22 ± 11.61 | 0.063 |
L5/S1 intervertebral space height (mm, x̅±s) | 8.91 ± 1.44 | 9.40 ± 1.75 | 0.281 |
Gas in the L5/S1 process (e.g., yes/no) | 6/11 | 13/89 | 0.019 |
L5/S1 Degree of spinal canal stenosis (e.g., grade 0/1/2) | 7/5/5 | 69/25/8 | 0.019 |
L5/S1 Disc Pfirrman grading (x̅±s) | 3.41 ± 0.94 | 3.11 ± 0.72 | 0.125 |
L5/S1 disc herniation calcification (e.g., yes/no) | 3/14 | 22/80 | 0.713 |
Endplate Modic change (e.g., I/II/III/ no) | 3/5/4/7 | 23/16/5/56 | 0.048 |
2 days after surgery | Â | Â | Â |
LL (º, x̅±s) | 38.11 ± 11.73 | 43.70 ± 10.02 | 0.038 |
PT (º, x̅±s) | 15.41 ± 6.38 | 18.13 ± 9.18 | 0.243 |
SS (º, x̅±s) | 28.77 ± 7.28 | 32.63 ± 7.86 | 0.061 |
PI-LL (º, x̅±s) | 6.50 ± 6.79 | 7.41 ± 9.36 | 0.702 |
SL (º, x̅±s) | 15.75 ± 3.92 | 19.82 ± 5.46 | 0.004 |
Last follow-up | Â | Â | Â |
LL (º, x̅±s) | 37.19 ± 11.99 | 43.70 ± 11.34 | 0.032 |
PT (º, x̅±s) | 14.26 ± 5.80 | 17.89 ± 9.47 | 0.129 |
SS (º, x̅±s) | 29.92 ± 8.17 | 33.08 ± 7.42 | 0.112 |
PI-LL (º, x̅±s) | 7.49 ± 8.12 | 7.40 ± 10.81 | 0.973 |
SL (º, x̅±s) | 13.50 ± 3.27 | 16.00 ± 4.78 | 0.041 |
Intervertebral fusion time (months, x̅±s) | 6.12 ± 1.65 | 5.51 ± 1.57 | 0.145 |
Failure of postoperative internal fixation | 1 | 3 | 0.533 |
Sacral lumbalization (e.g., yes/no) | 2/15 | 19/83 | 0.492 |