Fig. 4From: Correlation between severity of spinal stenosis and multifidus atrophy in degenerative lumbar spinal stenosisTFCSA/TCSA ratios of the symptomatic side and contralateral side. This plot shows the difference of TFCSA/TCSA ratios between the symptomatic and contralateral side of the spine; ** corresponds to P < 0.01Back to article page