Table 3.
Univariate and multivariable Cox regression analyses.
| Univariable | Multivariable Backward Elimination (FULL MODEL) | |||||
|---|---|---|---|---|---|---|
| HR | 95ci | p | HR | 95ci | p | |
| Sex | 0.908 | 0.525–1.569 | 0.729 | |||
| Age | 1.647 | 1.139–2.381 | 0.008 | 1.484 | 1.032–2.133 | 0.0311 |
| LDH | 1.061 | 0.728–1.546 | 0.758 | |||
| WBC | 1.125 | 0.902–1.405 | 0.296 | |||
| CRP | 1.359 | 0.907–2.036 | 0.137 | 1.46 | 0.96–2.219 | 0.0766 |
| D-dimer peak | 1.335 | 1.051–1.697 | 0.018 | |||
| Oxygen saturation | 0.83 | 0.595–1.158 | 0.273 | |||
| Non-severe pneumonia | 1.956 | 0.988–3.872 | 0.054 | |||
| Severe pneumonia | 2.596 | 1.075–6.266 | 0.034 | 2.043 | 0.835–5 | 0.12 |
| ECG signs of acute RV strain | 3.094 | 1.762–5.431 | <0.001 | 2.464 | 1.364–4.451 | 0.0028 |
| Comorbidity | 0.977 | 0.788–1.211 | 0.829 | |||
Comorbidity: presence of at least one cardiovascular risk factors between hypertension, dyslipidemia, cigarette smoking, diabetes, history of atrial fibrillation/flutter, cardiovascular disease, previous heart disease; CRP: C-reactive protein; ECG: electrocardiographic; LDH: lactate dehydrogenase; RV: right ventricular; WBC: white blood cell.