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Table 5 The modified Prirrmann grade rate of proximal adjacent in two groups

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

  Proximal adjacent segment P
K-Rod 2.5% 0.012
Rigid 26.3%
  1. Note: Data were compared using a chi-square test, P < 0.05 mean statistically significant differences