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Kaplan-Meier analysis. Comparison of overall survival to 42 days after diagnosis of influenza infection in hematopoietic cell transplant recipients who were receiving either no corticosteroids, low dose corticosteroids (< 1 mg/kg or oral beclomethasone dipropionate) or high dose corticosteroids (≥ 1 mg/kg) at the time of infection. Log rank test P-value = 0.92.
