Table 5.
Multivariate Analysis of Independent Risk Factors for Differentiating COVID-19 From H1N1
| Variable | Univariate Analysis |
Multivariate Analysis |
||||
|---|---|---|---|---|---|---|
| OR | 95% CI | P Value | OR | 95% CI | P Value | |
| Age | 0.928 | 0.092-0.956 | < .001 | 0.908 | 0.843-0.978 | .011 |
| Cardiovascular disease | 0.260 | 0.107-0.628 | .003 | 0.631 | 0.083-4.577 | .649 |
| Septic shock | 0.334 | 0.146-0.766 | .010 | … | … | … |
| Respiratory rate | 1.018 | 0.983-1.054 | .325 | … | … | … |
| Heart rate | 1.021 | 1.004-1.039 | .015 | … | … | … |
| SOFA score | 1.820 | 1.462-2.266 | < .001 | 2.263 | 1.124-3.574 | .006 |
| APACHE II score | 1.136 | 1.062-1.214 | < .001 | 1.124 | 0.932-1.355 | .221 |
| Fatigue | 0.135 | 0.064-0.285 | < .001 | 0.117 | 0.021-0.941 | .013 |
| Sputum | 3.215 | 1.567-6.597 | .001 | 9.576 | 1.729-64.711 | .011 |
| GI symptoms | 0.122 | 0.044-0.339 | < .001 | 0.100 | 0.009-0.984 | .044 |
| Myalgia | 0.330 | 0.148-0.736 | .007 | 1.832 | 0.512-6.555 | .352 |
| Prothrombin time | 0.673 | 0.555-0.817 | < .001 | 0.627 | 0.458-0.858 | .004 |
| APTT | 0.986 | 0.954-1.019 | .409 | … | … | … |
| D-dimer | 1.036 | 0.993-1.080 | .100 | … | … | … |
| AST | 1.035 | 1.021-1.049 | < .001 | 1.021 | 0.998-1.044 | .074 |
| Direct bilirubin | 1.155 | 1.055-1.265 | .002 | … | … | … |
| Lactate dehydrogenase | 1.004 | 1.002-1.005 | < .001 | 1.007 | 1.000-1.014 | .025 |
| Troponin I | 1.517 | 0.883-2.605 | .131 | … | … | … |
| CD3+ T lymphocyte | 1.004 | 1.002-1.006 | .001 | … | … | … |
| CD4+CD3+ T lymphocyte | 1.007 | 1.003-1.010 | < .001 | … | … | … |
| Ground-glass opacity | 0.048 | 0.016-0.145 | < .001 | 0.086 | 0.015-0.490 | .006 |
| Consolidation | 2.053 | 1.039-4.056 | .038 | 4.956 | 1.518-16.176 | .008 |