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Table 5 Predictors of in-hospital mortality among critically ill patients with H1N1pdm09

From: The influence of corticosteroid treatment on the outcome of influenza A(H1N1pdm09)-related critical illness

  In-hospital mortality
Clinical characteristics and cointerventions Univariable analysis, OR (95 % CI) p Value Multivariable analysis, OR (95 % CI) p Value
Age (1-year increase) 1.02 (1.01–1.04) 0.002 1.02 (1.00–1.03) 0.15
Female sex 0.94 (0.61–1.38) 0.77 0.92 (0.56–1.50) 0.73
Corticosteroid 1.82 (1.21–2.74) 0.004 1.85 (1.12–3.04) 0.02
APACHE II score (1-point increase) 1.07 (1.05–1.11) <0.001 1.07 (1.04–1.10) <0.001
PaO2/FiO2 ratio (cmH2O), day 1 1.00 (0.99–1.00) 0.004 0.99 (0.99–1.00) 0.06
Asthma 0.64 (0.37–1.11) 0.12 0.64 (0.33–1.26) 0.20
Autoimmune disease 3.21 (0.85–12.13) 0.09 3.02 (0.75–12.20) 0.12
Bacterial coinfection at admission 1.45 (0.96–2.20) 0.08 1.20 (0.72–1.98) 0.48
  1. APACHE Acute Physiology and Chronic Health Evaluation; Day 1 first day in intensive care unit, OR odds ratio, CI confidence interval, FiO 2 fraction of inspired oxygen, PaO 2 partial pressure of oxygen in arterial blood