Diagnostic performance of intraplaque hemorrhage in identifying symptomatic/asymptomatic basilar artery plaque
| IPH-Positive (n = 22) | IPH-Negative (n = 104) | |
|---|---|---|
| Symptomatic | 21 | 45 |
| Asymptomatic | 1 | 59 |
| Diagnostic performance (%) (95% CI) | ||
| Specificity | 98.3 (91.1–100.0) | |
| Sensitivity | 31.8 (20.9–44.4) | |
| PPV | 95.5 (74.4–99.3) | |
| NPV | 56.7 (52.6–60.8) | |
Note:—PPV indicates positive predict value; NPV, negative predict value.