Table 4.
The logistic regression analysis of anemia and ICU admission during hospitalization in patients with COVID-19
| Variables | Univariate model | Multivariate modela | ||||
|---|---|---|---|---|---|---|
| Odds Ratio | CI | P-value | Odds Ratio | CI | P-value | |
| Age | 1.00 | 0.99, 1.01 | 0.15 | |||
| Sex | 0.73 | 0.57, 0.94 | 0.01 | 0.66 | 0.46, 0.93 | 0.02 |
| BMI | 0.99 | 0.97, 1.02 | 0.83 | |||
| Temperature | 0.97 | 0.93, 1.01 | 0.21 | |||
| Hypoxia | 3.04 | 2.34, 3.96 | < 0.001 | 2.57 | 1.84, 3.60 | < 0.001 |
| CVD | 1.26 | 0.95, 1.68 | 0.1 | |||
| Respiratory diseases | 1.40 | 0.98, 1.99 | 0.05 | |||
| HTN | 1.04 | 0.81, 1.35 | 0.72 | |||
| Kidney diseases | 1.10 | 0.72, 1.66 | 0.65 | |||
| Cancers | 1.46 | 0.84, 2.54 | 0.17 | |||
| Autoimmune diseases | 0.47 | 0.10, 2.14 | 0.33 | |||
| Diabetes | 1.16 | 0.87, 1.55 | 0.30 | |||
| Liver diseases | 0.51 | 0.17, 1.51 | 0.22 | |||
| Smoking | 1.67 | 1.01, 2.76 | 0.04 | 1.06 | 0.54, 2.08 | 0.85 |
| Disease severity | 2.43 | 1.41, 4.17 | 0.001 | 1.90 | 1.02, 3.52 | 0.04 |
| CRP level | 0.99 | 0.97, 1.01 | 0.47 | |||
| Anemia | 2.02 | 1.58, 2.63 | < 0.001 | 2.06 | 1.46, 2.90 | < 0.001** |
Dependent variable: ICU admission
CVD cardiovascular disease, HTN Hypertension, BMI Body mass index, CRP C-Reactive protein
aMultivariate model adjusted for all variables with significant association in Univariate model
**adjusted for sex, hypoxia, smoking status, diseases severity, and Anemia