Table 3 Radiographic assessments of patients in three groups (mean ± SD)
Group | ACDF with UT | ACDF without UT | p |
|---|---|---|---|
C2-7 A (°) | |||
 preoperative | 14.23 ± 5.06 | 12.93 ± 7.00 | 0.345 |
 1 week | 13.26 ± 8.13 | 11.96 ± 6.46 | 0.176 |
 Last follow-up | 12.78 ± 7.49 | 11.25 ± 6.62 | 0.317 |
 dC2-7 A (°) | -1.45 ± 8.45 | -1.69 ± 7.72 | 0.874 |
FSUA (°) | |||
 preoperative | 3.24 ± 1.93 | 3.37 ± 1.89 | 0.875 |
 1 week | 3.12 ± 1.88 | 3.21 ± 1.87 | 0.826 |
 Last follow-up | 3.05 ± 1.80 | 3.09 ± 1.93 | 0.914 |
 dFSUA (°) | -0.25 ± 0.58 | -0.28 ± 0.59 | 0.862 |
C2-7 SVA (mm) | |||
 preoperative | 18.67 ± 6.08 | 19.84 ± 7.00 | 0.417 |
 1 week | 18.32 ± 6.03 | 18.17 ± 6.99 | 0.915 |
 Last follow-up | 18.62 ± 6.33 | 15.75 ± 6.02 | 0.034 * |
 dC2-7 SVA (mm) | -0.05 ± 6.22 | -4.09 ± 9.21 | 0.023 * |
St-SVA (mm) | |||
 preoperative | 28.09 ± 5.83 | 29.86 ± 6.69 | 0.417 |
 1 week | 24.80 ± 6.36 | 25.17 ± 5.39 | 0.052 |
 Last follow-up | 26.25 ± 10.64 | 22.15 ± 8.44 | 0.033 * |
 dSt-SVA (mm) | -2.49 ± 12.51 | -7.70 ± 8.44 | 0.019 * |
T1 slope (°) | |||
 preoperative | 27.92 ± 6.66 | 26.29 ± 6.30 | 0.229 |
 1 week | 26.55 ± 5.19 | 27.00 ± 5.71 | 0.709 |
 Last follow-up | 26.79 ± 6.20 | 27.19 ± 7.07 | 0.784 |
 dT1 slope(°) | -1.18 ± 5.69 | 0.91 ± 7.23 | 0.149 |