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Table 3 Mean values for the reduction of the segmental kyphosis angle and restoration of the central endplates pre- and postoperatively and after removal of the instrumentation

From: Treatment of thoracic or lumbar burst fractures with Balloon Assisted Endplate Reduction using Tricalcium Phosphate cement: histological and radiological evaluation

  Before surgery (n = 14) Before removal instrumentation (n = 14) P-value1 After removal instrumentation (n = 14) P-value2
Wedge Angle (in degrees) 19 (8.8) 9 (6.2) 0,000 10 (6.8) 0.25
Segmental kyphosis angle (in degrees) 9 (6.8) 0 (7.8) 0,000 4 (7.9) 0.01
Central-posterior vertebral body height ratio 0.4 (0.2) 0.8 (0.1) 0,001 0.8 (0.1) 0.26
Anterior-posterior vertebral body height ratio 0.6 (0.2) 0.8 (0.1) 0,000 0.8 (0.1) 0.12
  1. All values are shown as average (standard deviation)
  2. 1findings after the initial surgery compared with those before removal of the instrumentation
  3. 2findings after the initial surgery compared with those after removal of the instrumentation