Table 2.
AUROC and ROC-derived cutoffs for ARDS and their diagnostic accuracy measures
| Score | AUROC | Optimal cutoff | Sensitivity | Specificity | PPV | NPV |
|---|---|---|---|---|---|---|
| Composite | ||||||
| Global | 0.91 (0.86–0.95) | 15 | 80.0% (63.1–91.6) | 88.9% (81.8–94.0) | 68.3% (55.7–78.7) | 93.7% (88.4–96.7) |
| Anterolateral | 0.91 0.85–0.97) | 5 | 88.6% (73.3–96.8) | 82.9% (74.8–89.2) | 60.8% (50.6–70.2) | 96.0% (90.6–98.4) |
| Regional | ||||||
| Anterior | 0.84 (0.76–0.92) | 2 | 74.3% (56.7–87.5) | 86.3% (78.7–92.0) | 61.9% (49.8–72.7) | 92.0% (86.4–95.2) |
| Lateral | 0.89 (0.83–0.95) | 4 | 85.7% (69.7–95.2) | 80% (72.0–87.1) | 56.6% (46.9–65.8) | 95.0% (89.3–97.7) |
| Posterior | 0.85 (0.78–0.91) | 7 | 80.0% (63.1–91.6) | 76% (67.3–83.5) | 49.8% (41.0–59.0) | 92.7% (86.7–96.1) |
Data is reported as value (95% confidence interval)
AUROC area under the receiver operating characteristics curve, PPV positive predictive value, NPV negative predictive value