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Table 3 Sensitivity and specificity for detecting Erosions/Backfills in T1WI & Dixon

From: The value of chemical shift imaging and T1-Dixon MRI in evaluation of structural changes in sacroiliac joint in ankylosing spondylitis

 

Sensitivity (%)

Specificity (%)

PPV (%)

NPV (%)

Accuracy (%)

Number in T1

87.5

100

100

92

92.5

Number in Dixon

93.75

100

100

96

97.5