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Table 2 The correlation between preoperative condition and JOA score ( N= 104)

From: Expansive open-door laminoplasty secured with titanium miniplates is a good surgical method for multiple-level cervical stenosis

Items Sample sizen(%) Upper extremities motor function Lower extremities motor function Upper extremities sensory function Lower extremities sensory function Trunk sensory function Bladder function JOA score Recovery rate
Sagittal compressive ratioa 0.56 ± 0.06 0.06 −0.01 0.01 −0.04 −0.05 −0.14 −0.06 0.05
AP compressive ratioa 0.36 ± 0.03 0.06 −0.01 0.01 −0.04 −0.05 −0.14 −0.06 0.05
Myelomalaciab   −0.62 0.67 −0.05 1.21 2.36* −0.08 0.67 −2.10*
 No 65(62.5) 1.49 ± 0.90 1.46 ± 0.96 0.88 ± 0.45 0.42 ± 0.49 0.09 ± 0.29 0.22 ± 0.62 4.60 ± 1.99 0.78 ± 0.18
 Yes 39(37.5) 1.38 ± 0.74 1.59 ± 0.88 0.87 ± 0.41 0.54 ± 0.51 0.31 ± 0.52 0.21 ± 0.57 4.87 ± 2.02 0.69 ± 0.25
  1. ar value; bt value; *P < 0.05.