Operating characteristics of the PVI for patients with definite ITP
| Operating characteristics . | PVI . | PVI score . |
|---|---|---|
| (Continuous variable) . | (Ordinal score 0-6) . | |
| Sensitivity (95% CI) | 98.1% (95.4-100) | 93.3% (88.5-98.1) |
| Specificity (95% CI) | 86.1% (82.5-89.8) | 89.4% (86.1-92.7) |
| Positive predictive value (95% CI) | 68.5% (61.0-75.9) | 72.9% (65.4-80.5) |
| Negative predictive value (95% CI) | 99.3% (98.4-100) | 97.7% (96.1-99.4) |
| AUC (95% CI) | 96.8% (95.3-98.2) | 96.2% (94.5-97.7) |
| Operating characteristics . | PVI . | PVI score . |
|---|---|---|
| (Continuous variable) . | (Ordinal score 0-6) . | |
| Sensitivity (95% CI) | 98.1% (95.4-100) | 93.3% (88.5-98.1) |
| Specificity (95% CI) | 86.1% (82.5-89.8) | 89.4% (86.1-92.7) |
| Positive predictive value (95% CI) | 68.5% (61.0-75.9) | 72.9% (65.4-80.5) |
| Negative predictive value (95% CI) | 99.3% (98.4-100) | 97.7% (96.1-99.4) |
| AUC (95% CI) | 96.8% (95.3-98.2) | 96.2% (94.5-97.7) |