Table 1.
Comparison of demographic characteristics and radiological parameters between the ANP group and non-ANP group
| ANP group | Non-ANP group | P value | |
|---|---|---|---|
| Age (years) | 43.5 ± 12.9 | 40.8 ± 13.6 | 0.196 |
| Gender (M/F) | 39/53 | 81/90 | 0.516 |
| CK type | 0.533 | ||
| Global type | 61 | 77 | |
| Regional type | 50 | 75 | |
| Cervical disk degeneration | 0.695 | ||
| Yes | 39 | 68 | |
| No | 53 | 103 | |
| C2-7 SVA (mm) | 20.9 ± 10.3 | 13.3 ± 7.5 | 0.003 |
| T1 slope (°) | 26.3 ± 6.2 | 21.5 ± 7.6 | 0.027 |
| NT (°) | 47.1 ± 5.1 | 49.6 ± 6.8 | 0.676 |
| TIA (°) | 73.5 ± 5.6 | 70.2 ± 7.0 | 0.139 |
| Cranial tilt (°) | 5.2 ± 6.5 | 4.91 ± 7.11 | 0.332 |
| Cervical tilt (°) | 17.3 ± 15.3 | 18.7 ± 16.3 | 0.585 |