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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