Liver Cirrhosis and Diabetes Mellitus Are Risk Factors for Staphylococcus aureus Infection in Patients with Healthcare-Associated or Hospital-Acquired Pneumonia

Table 2

Pathogens in severe pneumonia between adequate and inadequate antibiotic use.

Pathogens	Adequate; (% of total)	Inadequate; (% of total)	Total; (% of pathogens)
Pseudomonas aeruginosa	53 (74.6)	18 (25.4)	71 (25.1)
Staphylococcus aureus	31 (49.2)	32 (50.8)	63 (22.3)
MSSA	10 (15.9)	3 (4.8)	13 (4.6)
MRSA	21 (33.3)	29 (46.0)	50 (17.7)
Acinetobacter baumannii	18 (35.3)	33 (64.7)	51 (18.0)
Klebsiella pneumoniae	32 (72.7)	12 (27.3)	44 (15.5)
Escherichia coli	21 (67.7)	10 (32.3)	31 (11.0)
Streptococcus pneumonia	11 (100.0)	0 (0.0)	11 (3.8)
Stenotrophomonas maltophilia	3 (42.9)	4 (57.1)	7 (2.5)
Enterobacter	3 (60.0)	2 (40.0)	5 (1.8)

MSSA: Methicillin-Sensitive Staphylococcus aureus; MRSA: Methicillin-Resistant Staphylococcus aureus.