Clinical risk scores and their area under the receiver operating characteristics (AUROC) curve
| AUROC (95% CI) | |
| qCSI | 0.760 (0.719 to 0.800) |
| NEWS2 | 0.740 (0.696 to 0.783) |
| MEWS | 0.671 (0.622 to 0.719) |
| qSOFA | 0.641 (0.594 to 0.688) |
| SIRS | 0.603 (0.553 to 0.654) |
| CURB-65 | 0.600 (0.549 to 0.651) |
MEWS, Modified Early Warning Score; NEWS2, National Early Warning Score 2; qCSI, Quick COVID-19 Severity Index; qSOFA, Quick Sequential Organ Failure Assessment; SIRS, systemic inflammatory response syndrome.