Table 3.
Univariate and multivariate Cox regression analysis for chest CT improved time
| Characteristics | HR | P value | 95% CI | |
|---|---|---|---|---|
| ID | Lower | Upper | ||
| Univariate | ||||
| Gender | 0.91 | .7 | 0.57 | 1.5 |
| Age | 0.99 | .48 | 0.97 | 1 |
| Clinical classification | 0.21 | 1.70E‐08 | 0.12 | 0.34 |
| Diabetes | 1 | .96 | 0.6 | 2.6 |
| Coronary disease | 0.87 | .74 | 0.39 | 1.6 |
| Temperature | 1.3 | .11 | 0.95 | 1.5 |
| Respiratory rate (breaths per min) | 1 | .37 | 0.95 | 1.1 |
| Diastolic BP, mm Hg | 0.99 | .4 | 0.97 | 1 |
| Systolic BP, mm Hg | 1 | .83 | 0.99 | 1 |
| Heart rate, bpm | 0.99 | .48 | 0.98 | 1 |
| White blood cell count (×109/L) | 0.97 | .56 | 0.89 | 1 |
| lymphocyte count (×109/L) | 1.5 | .019 | 1.1 | 2.3 |
| D‐dimer, mg/L | 0.88 | .23 | 0.72 | 1.1 |
| Interleukin‐6, mmol/L | 0.99 | .24 | 0.99 | 1 |
| Interleukin‐2 receptor, mmol/L | 1 | .25 | 1 | 1 |
| Alanine aminotransferase, U/L | 1 | .089 | 1 | 1 |
| Aspartate aminotransferase, U/L | 1 | .36 | 0.99 | 1 |
| Lung image | 0.73 | .38 | 0.36 | 1.6 |
| NT‐ProBNP, pg/L | 1 | .37 | 1 | 1 |
| Creatinine, U/L | 1 | .86 | 0.99 | 1 |
| Urea, mmol/L | 0.94 | .3 | 0.82 | 1.1 |
| Uric acid, mmol/L | 1 | .024 | 1 | 1 |
| Potassium, mmol/L | 1.1 | .82 | 0.65 | 2.5 |
| Sodium, mmol/L | 0.98 | .62 | 0.9 | 1 |
| C‐reactive protein, mg/L | 0.99 | .26 | 0.99 | 1 |
| CCBs vs ACEI/ARBs groups | 0.73 | .19 | 0.45 | 0.97 |
| Multivariate | ||||
| Clinical classification | 0.211706 | 4.74E‐08 | ||
| Lymphpcyte count (×109/L) | 1.328439 | .0942 | ||
| Uric acid, mmol/L | 1.003377 | .0209 | ||
| CCBs vs ACEI/ARBs groups | 0.962869 | .8792 | ||
Abbreviations: ACEI, angiotensin‐converting enzyme inhibitor; ARB, angiotensin receptor blocker; BP, blood pressure; CCB, calcium channel blocker; CI, confidence interval; CT, computed tomography; HR, hazard ratio.