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Table 3 Comparison of radiologic and clinical parameters according to preoperative facet degeneration

From: Does cervical facet degeneration impact surgical outcomes and sagittal balance in patients with radiculopathy?

  Mild-FD group Severe-FD group p-value
T1s (°)
 Pre 25.39 ± 5.30 25.86 ± 6.30 0.634
 F/U 25.80 ± 5.61 26.67 ± 6.35 0.401
T1s (°) 0.46 ± 3.00 0.81 ± 3.25 0.516
 Pre vs F/U 0.173 0.094  
cSVA (mm)
 Pre 18.19 ± 6.19 17.77 ± 7.19 0.718
 F/U 23.44 ± 6.96 21.94 ± 7.89 0.237
cSVA (mm) 5.26 ± 6.05 4.16 ± 6.23 0.307
Pre vs F/U  < 0.001  < 0.001  
SCA (°)
 Pre 82.21 ± 10.63 81.05 ± 5.81 0.298
 F/U 78.38 ± 9.36 78.27 ± 7.16 0.798
SCA (°) − 3.83 ± 5.30 − 2.78 ± 4.08 0.067
 Pre vs F/U  < 0.001  < 0.001  
  1. Pre, preoperative; F/U, follow up; FD, facet degeneration
  2. T1s, T1-Slope, cSVA, C2–7 sagittal vertical axis, SCA , spino cranial angle