Table 3.

Factors associated with death among patients with Panton-Valentine leukocidin-positive Staphylococcus aureus pneumonia

Variables	Adjusted hazard ratio (95% CI)	P value
Age (per 1-year increase)	1.02 (1.01-1.03)	0.015
Airway hemorrhage	2.05 (1.18-3.59)	0.011
Severe leukopenia (≤3,000 leukocytes/mL)	4.50 (2.38-8.51)	<0.001

Variables were adjusted to gender, mechanical ventilation, personal history of furuncles, platelet count, pleural effusion, and previous influenza-like illness.