scr = signal change ratio

bibliometrics spinal cord injury acdf = anterior cervical discectomy and fusion opll sci csm csm = cervical spondylotic myelopathy cervical spondylotic myelopathy mjoa = modified japanese orthopaedic association ossification of posterior longitudinal ligament accf = anterior cervical discectomy and corpectomy with fusion cda cda = cervical disc arthroplasty mcc = maximum canal compromise mep = motor evoked potential mscc = maximum spinal cord compression naa/cr = n-acetylaspartate/creatinine opll = ossification of the posterior longitudinal ligament sci = spinal cord injury ssep = somatosensory evoked potential