Table 3.
Differences between the AUROCs of the various predictors of in-hospital mortality
| AUROC | qSOFA |
qSOFA+lactate |
|||
|---|---|---|---|---|---|
| Differences (95% CI) | P-value | Differences (95% CI) | P-value | ||
| qSOFA | 0.720 | - | - | 0.099 (0.029–0.169) | 0.005 |
| Lactate | 0.778 | 0.021 (-0.083–0.124) | 0.692 | 0.078 (0.032–0.126) | 0.001 |
| qSOFA+lactate | 0.828 | 0.099 (0.029–0.169) | 0.005 | - | - |
| CURB-65 | 0.652 | 0.051 (-0.041–0.144) | 0.278 | 0.151 (0.049–0.252) | 0.003 |
| CURB-65+lactate | 0.805 | 0.076 (-0.014–0.168) | 0.100 | 0.023 (-0.026–0.072) | 0.355 |
| PSI | 0.686 | 0.030 (-0.053–0.113) | 0.479 | 0.130 (0.144–0.215) | 0.003 |
| PSI+lactate | 0.804 | 0.075 (-0.008–0.161) | 0.079 | 0.024 (-0.014–0.061) | 0.214 |
| SOFA | 0.845 | 0.123 (0.039–0.207) | 0.004 | 0.024 (-0.047–0.094) | 0.509 |
| APACHE II | 0.732 | 0.028 (-0.068–0.125) | 0.564 | 0.071 (-0.019–0.161) | 0.122 |
AUROC, area under the receiver-operating characteristic curve; qSOFA, quick Sequential Organ Failure Assessment; CI, confidence interval; CURB-65, confusion, urea, respiratory rate, blood pressure, and age; PSI, pneumonia severity index; SOFA, Sequential Organ Failure Assessment; APACHE, Acute Physiology and Chronic Health Evaluation.