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Table 3 Clinical assessment of modified Macnab

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

Group N Excellent Good Fair Poor The Excellent/Good rate P
K-Rod 25 6 15 3 1 84.00% 1.0
Rigid 15 4 8 2 1 80.00%  
  1. Note: Data were compared using a chi-square test, P < 0.05 significant difference