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Table 4 Correlation analysis between age and CT/MRI parameters

From: Clinical effect evaluation and correlation between preoperative imaging parameters and clinical effect of endoscopic Transforaminal decompression for lumbar spinal stenosis

 

r

P

Bony vertebral canal area by CT measurement

−0.008

0.939

Cross-sectional area of the dural sac by MRI measurement

−0.162

0.133

Nerve root canal bony area by CT measurement

−0.014

0.895

Yellow ligament thickness by MRI measurement

−0.010

0.927

Real spinal canal area by CT measurement

0.223

0.038

Nerve root canal real area by CT measurement

0.125

0.249

Vertebral canal sagittal diameter by CT measurement

−0.041

0.707

Distance between the articular joints by CT measurement

0.007

0.948

Soft tissue invasion ratio of the vertebral canal

−0.228

0.033

Invasion ratio of the nerve root canal

−0.360

0.001