Independent predictors identified by multivariate analysis
| Variable | β | OR | p Value | 95% CI |
| CRP >10 mg/dl | 1.000 | 2.719 | 0.028 | 1.111 to 6.651 |
| Platelets <50 000 cells/mm3) | 1.606 | 4.982 | 0.001 | 2.000 to 12.408 |
| Pulmonary infiltration | 3.407 | 30.167 | <0.001 | 7.281 to 124.998 |
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CRP, C-reactive protein; OR, odds ratio.









