Variables | nHA/PA66 group | PEEK group | P |
---|---|---|---|
VAS-neck | Â | Â | Â |
 Preoperatively | 5.17 ± 2.64 | 4.84 ± 2.46 | 0.473 |
 6 m-Post-O | 3.24 ± 1.79 | 2.91 ± 1.53 | 0.291 |
 Final follow-up | 1.21 ± 0.91 | 1.41 ± 1.01 | 0.249 |
VAS-arm | Â | Â | Â |
 Preoperatively | 5.55 ± 2.05 | 5.33 ± 1.86 | 0.539 |
 6 m-Post-O | 3.09 ± 1.45 | 3.16 ± 1.31 | 0.789 |
 Final follow-up | 1.38 ± 1.15 | 1.28 ± 1.01 | 0.607 |
NDI | Â | Â | Â |
 Preoperatively | 32.78 ± 11.25 | 31.48 ± 10.25 | 0.519 |
 6 m-Post-O | 19.71 ± 9.30 | 18.40 ± 8.05 | 0.419 |
 Final follow-up | 9.34 ± 6.18 | 10.07 ± 6.05 | 0.525 |
NDI recovery rate (%) | 69.13 ± 22.22 | 65.67 ± 24.02 | 0.422 |
JOA scores | Â | Â | Â |
 Preoperatively | 8.62 ± 1.66 | 8.45 ± 1.50 | 0.559 |
 6 m-Post-O | 13.36 ± 2.25 | 13.79 ± 2.23 | 0.302 |
 Final follow-up | 14.21 ± 2.12 | 14.31 ± 2.05 | 0.790 |
JOA recovery rate (%) | 65.41 ± 26.86 | 67.83 ± 25.35 | 0.619 |
Odom’s criteria |  |  |  |
 excellent | 15 | 13 |  |
 Good | 38 | 39 |  |
 Fair | 4 | 6 |  |
 Poor | 1 | 0 |  |
Successful treatment | 91.4% (50/58) | 90.0% (52/58) | 0.879 |