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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