Table 4. COVID-19 Radiographic Score on initial CXR: Comparison between CRSinitial at cut-off of 0 versus CRSinitial at cut-off of 5.
| CRSinitial | Clinical outcome | Sensitivity | Specificity | PPV | NPV |
|---|---|---|---|---|---|
| Cut-off = 0 | Supplemental O2 | 78.95 (71.29, 86.60) | 72.22 (63.81, 80.63) | 37.50 (28.41, 46.59) | 94.20 (89.82, 98.59) |
| ICU | 81.82 (74.58, 89.06) | 68.37 (59.64, 77.10) | 22.50 (14.66, 30.34) | 97.10 (93.95, 100.00) | |
| Cut-off <5 | Supplemental O2 | 63.16 (54.10, 72.21) | 91.11 (85.77, 96.45) | 60.00 (50.80, 69.20) | 92.13 (87.08, 97.19) |
| ICU | 72.73 (64.37, 81.09) | 87.76 (81.60, 93.91) | 40.00 (30.80, 49.20) | 96.63 (93.24, 100.00) |
CRSinitial, COVID-19 Radiographic Score on initial chest radiograph; PPV, positive predictive value, NPV, negative predictive value.