Severe stenosis (grade = 3) in any IJ segment on a per-patient basis
| MRV | CVa | ||
|---|---|---|---|
| No | Yes | Total | |
| No | 14 | 3 | 17 |
| Yes | 7 | 15 | 22 |
| Total | 21 | 18 | 39 |
a Considering CV with severe stenosis as a standard, sensitivity, 0.83 (95% CI, 0.58%–0.96%); specificity, 0.67 (95% CI, 0.43%–0.85%); PPV, 0.68 (95% CI, 0.45%–0.85%); and NPV, 0.82 (95% CI, 0.56%–0.95%).