Table 3 Significant univariate and multivariate logistic regression analysis of 30-day mortality for patients with novel H1N1 influenza
VariableUnivariateMultivariate
OR (95% CI)p-valueOR (95% CI)p-value
Previous antibiotic treatment4.9 (1.0–24.9)0.054
Pa,O2/FI,O2 <20028.6 (3.2–257.6)0.003
Mechanical ventilation40.0 (4.5–352.9)0.00128.0 (3.1–251.9)0.003
Shock16.0 (2.2–115.3)0.006

  • Pa,O2: arterial partial pressure of oxygen; FI,O2: inspiratory oxygen fraction.