Table 3.
Multivariable analysis of risk factors associated with long-term hospitalization.
| Variables | Odds ratio | 95% CI | P |
|---|---|---|---|
| Calcium (mmol/l) | |||
| 2.2–2.5 | 1.0 | Reference | |
| <2.20 | 3.313 | 1.392–7.886 | 0.007 |
| Chlorine (mmol/l) | |||
| 99–110 | 1.0 | Reference | |
| <99 | 2.663 | 1.104–6.621 | 0.029 |
| Chest CT findings | |||
| No pneumonia | 1.0 | Reference | |
| Unilateral pneumonia | 1.566 | 0.280–8.772 | 0.610 |
| Bilateral pneumonia | 5.907 | 1.073–32.521 | 0.009 |
| Chest CT findings | |||
| Unilateral pneumonia | 1.0 | Reference | |
| Bilateral pneumonia | 3.772 | 1.654–8.601 | 0.002 |
| No pneumonia | 0.639 | 0.114–3.577 | 0.610 |