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Table 6 UCLA system evaluation of intervertebral space

From: Clinical efficacy and radiographic K-rod stabilization for the treatment of multilevel degenerative lumbar spinal stenosis

  Proximal adjacent segment P
K-Rod 5.0% 0.018
Rigid 31.6%
  1. Note: Data were compared using a chi-square test, P < 0.05 mean statistical significant differences