Table 4 Receiver operating characteristic curves (ROC) between developed RDS and did not develop RDS
ROC curve between developed RDS and did not develop RDS | ||||||
|---|---|---|---|---|---|---|
Cutoff | Sens | Spec | PPV | NPV | Accuracy (%) | |
PA-RI | > 0.75 | 76.27 | 82.95 | 75.0 | 83.9 | 81.5 |
Lung volume | ≤ 28 | 72.88 | 65.91 | 58.9 | 78.4 | 74.8 |
Combined lung volume and PA-RI | > 0.75 and ≤ 28 | 100.00 | 65.91 | 66.3 | 100.0 | 83 |