Discriminatory performance of prognostic scores within validation cohort
| ICU admission | 30 days’ mortality | |||||
| Score system | AUC | 95% CI | P value | AUC | 95% CI | P value |
| ROX index | 0.79 | 0.76 to 0.82 | Ref | 0.68 | 0.65 to 0.72 | <0.0001 |
| SOFA | 0.74 | 0.71 to 0.77 | 0.0274 | 0.75 | 0.72 to 0.78 | <0.0001 |
| 4C | 0.62 | 0.59 to 0.65 | <0.0001 | 0.82 | 0.80 to 0.85 | Ref |
| CURB-65 | 0.60 | 0.56 to 0.64 | <0.0001 | 0.75 | 0.72 to 0.77 | <0.0001 |
| qSOFA | 0.59 | 0.55 to 0.62 | <0.0001 | 0.58 | 0.56 to 0.62 | <0.0001 |
*P values were calculated from DeLong’s test.
AUC, area under the curve; 4C, Coronavirus Clinical Characterisation Consortium; CURB-65, Confusion, Uraemia, Respiratory Rate, Blood Pressure and Age ≥65; ICU, Intensive Care Unit; qSOFA, Quick Sequential Organ Failure Assessment Score; Ref, reference; ROX, respiratory rate and oxygenation; SOFA, Sequential Organ Failure Assessment Score; SpO2, percutaneous oxygen saturation.