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Table 3 Comparison of sensitivity, specificity and accuracy of Conventional and dynamic MRI regarding spine alignment, disc protrusion, ligamentum flavum buckling, spinal canal and foraminal stenosis

From: Unexplained back pain and sciatica: the added value of upright dynamic MRI of the lumbar spine in cases of clinical/radiological mismatch

  Spine alignment
Scoliosis
Disc protrusion Ligamentum flavum buckling Spinal canal stenosis Foraminal stenosis
Con. MRI Dyn
MRI
Con. MRI Dyn
MRI
Con. MRI Dyn
MRI
Con. MRI Dyn
MRI
Con. MRI Dyn
MRI
Sensitivity 74% 100% 85% 98% 70% 100% 85% 97.5% 54% 73%
Specificity 79% 100% 96% 100% 70% 100% 87% 100% 63% 100%
Accuracy 78% 100% 85% 98% 70% 100% 85% 98% 54% 91%
  1. Cov, conventional MRI; Dyn, dynamic MRI