Table 2. The pathogens of HAP/VAP (n = 381).

Pathogens			Values
Patients with presence of pathogens			235 (62)
No. of pathogens, including polymicrobial infections			n = 267
Presence of bacteremia by pathogens			29 (12)
Patient No. with bacteria as pathogens			221 (94)
No. of bacteria including polymicrobial infection			n = 250
	A. baumannii		89 (36)
	S. aureus		59 (24)
	K. pnemoniae		25 (10)
	P. aeruginosa		22 (9)
	S. maltophilia		16 (6)
	E. faecium		6 (3)
	E. coli		6 (2)
	E. aerogenes		5 (2)
	E. cloacae		3 (1)
	S. pneumoniae		3 (1)
	S. marcescens		2 (1)
	C. freundii		2 (1)
	A. xylosoxidans		2 (1)
	Others		10 (4)
Patients with virus as pathogens			12 (5)
	No. of virus		n = 12
		Influenza A virus	5 (42)
		RSV	2 (17)
		PIV	1 (8)
		Adenovirus	1 (8)
		Influenza B virus	1 (8)
		Human metapneumovirus	1 (8)
		Rhinovirus	1 (8)
Patients with bacteria + virus as pathogens			2 (1)
	Superinfection		n = 2
		A. baumannii + RSV	1 (50)
		S. pneumoniae + PIV	1 (50)

Values are presented as number (%).

HAP = hospital-acquired pneumonia, VAP = ventilator-associated pneumonia, RSV = respiratory syncytial virus, PIV = parainfluenza virus.