Table 3 Univariate receiver operator curve (ROC) analysis of continuous variables associated with in-hospital mortality
From: Admission vital signs as predictors of COVID-19 mortality: a retrospective cross-sectional study
Continuous variable | Area under the curve (AUC) | 95% CI | p value |
|---|---|---|---|
Oxygen saturation (%) | 0.737 | 0.655–0.820 | < 0.001 |
Respiratory rate (breaths/minute) | 0.658 | 0.569–0.747 | < 0.001 |
Heart rate (bpm) | 0.582 | 0.491–0.674 | 0.068 |
Systolic blood pressure (mmHg) | 0.531 | 0.431–0.630 | 0.495 |
Diastolic blood pressure (mmHg) | 0.596 | 0.502–0.691 | 0.033 |
Temperature (°C) | 0.566 | 0.473–0.659 | 0.143 |
Glucose (mmol/l) | 0.662 | 0.580–0.745 | < 0.001 |
Age (years) | 0.759 | 0.688–0.830 | < 0.001 |