Table 2.
CURB-65, qCSI, and BCRSS scores' power to predict ICU admission.
| Cut-off | AUC (p) | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | LR+ | LR- | |
|---|---|---|---|---|---|---|---|---|
| CURB-65 | >2 | 0.743 (<0.001) | 48.6 | 89 | 64.9 | 80.6 | 4.4 | 0.58 |
| qCSI | >5 | 0.723 (<0.001) | 84.2 | 55.4 | 44.1 | 89.4 | 1.89 | 0.28 |
| BCRSS | >1 | 0.667 (<0.001) | 78.9 | 51.1 | 40.3 | 85.3 | 1.61 | 0.41 |
AUC: The area under the receiver operating characteristic curve, qCSI: Quick COVID-19 severity index, BCRSS: Brescia-COVID respiratory severity scale, PPV: Positive predictive value, NPV: Negative predictive value, LR: Likelihood ratio.