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Table 2 The effects on cervical sagittal alignment parameters following ACHDF

From: Analysis of sagittal alignment parameters following anterior cervical hybrid decompression and fusion of multilevel cervical Spondylotic myelopathy

Item Pre- Post- Follow-up P value P▲ value
C2–7SVA (cm) 1.37 ± 1.41 1.73 ± 1.23 1.64 ± 1.14 0.019* 0.414
C2–7lordosis (°) 15.13 ± 10.74 15.81 ± 8.18 16.82 ± 7.13 0.614 0.265
T1 s (°) 26.36 ± 8.16 26.94 ± 7.00 27.69 ± 6.49 0.621 0.421
Cervical tilting (°) 5.53 ± 6.33 7.57 ± 7.38 8.51 ± 6.63 0.025* 0.205
Cranial tilting (°) 18.14 ± 7.40 16.61 ± 7.14 17.71 ± 6.36 0.725 0.179
  1. (P value, comparison between pre- and post-; P▲ value, comparison between post- and follow-up; ACHDF, anterior cervical hybrid decompression and fusion; SVA, sagittal vertical axis; T1 s, T1 slope)