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Table 4 Quality of clinical parameters

From: Influence of SCA on clinical outcomes and cervical alignment after laminoplasty in patients with multilevel cervical spondylotic myelopathy

  LG (n = 41) HG (n = 31) P value
JOA    
 Pre 10.17 ± 2.12 9.84 ± 2.18 0.589
 Post 12.59 ± 1.34 12.52 ± 1.65 0.931
 F/U 2 years 13.46 ± 0.81 13.19 ± 1.17 0.208
JOA (pre vs post) 2.41 ± 1.58 2.68 ± 1.58 0.475
JOA (pre vs F/U) 3.29 ± 2.15 3.35 ± 1.80 0.949
 Pre vs F/U < 0.001 < 0.001  
NDI
 Pre 19.80 ± 4.77 25.58 ± 5.74 < 0.001
 Post 13.78 ± 3.70 17.90 ± 4.36 < 0.001
 F/U 2 years 12.39 ± 3.58 15.84 ± 4.85 0.003
NDI (pre vs post) − 6.02 ± 2.29 − 7.68 ± 2.98 0.010
NDI (pre vs F/U) − 7.41 ± 2.93 − 9.74 ± 3.63 0.002
 Pre vs F/U < 0.001 < 0.001  
  1. LG low SCA group, HG high SCA group, JOA Japanese Orthopaedic Association, NDI Neck Disability Index