Results for detecting a 70–99% stenosis in 227 cases (79.9%) with concordant grading with contrast-enhanced MR angiography and duplex sonography
Parameter | Value |
---|---|
Sensitivity | 100 (100) |
Specificity | 81.4 (80–89) |
False-negative | 0 |
False-positive | 8.4 |
Note.—Data are percentages. Numbers in parentheses are 95% confidence intervals.