Table 5. Multivariate analysis of risk factors associated with death among COVID-19 patients.
*p<0.05 was considered significant.
APTT: activated partial thromboplastin time; AST: aspartate transaminase; CRP: C-reactive protein; WBC: white blood cell
| Variables | Odds ratio | p-value | 95% confidence interval |
| Age (years) | |||
| <40 | 1 | ||
| >40 | 2.63 | 0.000 | 1.531-4.512 |
| Sex | |||
| Male | 1 | ||
| Female | 1.96 | 0.068 | 0.950-4.064 |
| Comorbidities | |||
| Hypertension | 0.88 | 0.546 | 0.585-1.327 |
| Chronic cardiac disease | 0.85 | 0.752 | 0.315-2.300 |
| Diabetes | 1.61 | 0.017 | 1.088-2.399 |
| Chronic lung disease | 1.47 | 0.546 | 0.415-5.259 |
| Chronic kidney disease | 1.15 | 0.813 | 0.346-3.864 |
| Liver disease | 3.28 | 0.695 | 0.008-6.253 |
| Obesity | 6.88 | 0.004 | 2.188-12.153 |
| WBC (×103/uL) | |||
| 5-11 | 1 | ||
| <5 | 1.03 | 0.954 | 0.377-2.808 |
| >11 | 1.74 | 0.000 | 1.422-2.422 |
| Lymphocyte count | |||
| 20%-40% | 1 | ||
| <20% | 2.54 | 0.000 | 1.718-3.826 |
| >40% | 1.08 | 0.963 | 0.033-35.113 |
| Neutrophil | |||
| 40%-60% | 1 | ||
| <40% | 2.53 | 0.085 | 0.644-8.529 |
| >60% | 4.16 | 0.211 | 0.444-38.971 |
| Platelets | |||
| 150-450 (×103/uL) | 1 | ||
| <150 | 1.15 | 0.001 | 1.777-8.700 |
| >450 | 1.04 | 0.944 | 0.282-3.893 |
| Ferritin | |||
| <500 | 1 | ||
| 500-1,000 | 2.91 | 0.005 | 1.389-6.118 |
| >1,000 | 4.67 | 0.000 | 1.991-10.975 |
| CRP (mg/L) | |||
| <24 | 1 | ||
| >24 | 1.63 | 0.090 | 0.952-2.234 |
| APTT | |||
| <33 | 1 | ||
| >33 | 2.35 | 0.060 | 1.254-4.429 |
| AST | |||
| <50 | 1 | ||
| >50 | 1.42 | 0.308 | 0.718-2.843 |