Demographic and clinical characteristics of subjects. Abbreviations: NLI = Neurological Level of Injury; AO = AO-Classification; AIS = American Spinal. Injury Association (ASIA) Impairment Scale. Age is expressed as mean years ± standard deviation. Neurological remission was defined as improvement in AIS. Three patients had posttraumatic spinal cord injury (SCI) without vertebral fractures. p-Values were analyzed with χ2-test (categorical data) and t-test (age) and show differences in distribution between G1 and G2.