PIK3C2A and spinal cord injury: Some prognostic factors used in clinical measures are assessments of clinical signs (e.g., contractures), serum biomarkers (e.g., alkaline phosphatase [ALP], C-reactive protein [CRP], and creatine phosphokinase [CPK]), radiographic imaging assessments (e.g., X-ray, computer tomography), and questionnaires (e.g., International Spinal Cord Injury Musculoskeletal Basic Data Set).