Sensitivity, specificity, PPV, and NPV of MRV (TOF and TRICKS) and Doppler sonography relative to catheter venography (criterion standard) for detection of IJV anomaliesa
| Measure/Side | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) |
|---|---|---|---|---|
| TOF | ||||
| Right | 99 (44–100) | 33 (3–51) | 45 (12–65) | 99 (21–100) |
| Left | 99 (21–100) | 45 (12–065) | 33 (3–51) | 99 (44–100) |
| Both | 99 (51–100) | 33 (10–49) | 33 (10–49) | 99 (51–100) |
| TRICKS | ||||
| Right | 99 (44–100) | 44 (8–64) | 49 (14–69) | 99 (34–100) |
| Left | 99 (21–100) | 45 (12–65) | 33 (3–51) | 99 (44–100) |
| Both | 99 (51–100) | 39 (14–56) | 35 (11–52) | 99 (57–100) |
| DS | ||||
| Right | 79 (21–94) | 100 (65–100) | 99 (34–100) | 90 (53–98) |
| Left | 99 (21–100) | 100 (70–100) | 99 (21–100) | 100 (70–100) |
| Both | 82 (30–95) | 100 (81–100) | 99 (44–100) | 95 (73–99) |
a 95% confidence intervals are shown in parentheses for all values.