Microbiology
|
HCAP
|
HAP
|
VAP
|
---|
(n = 199)
|
(n = 379)
|
(n = 606)
|
---|
|
n (%)
|
n (%)
|
n (%)
|
---|
Gram-positive pathogens
|
117 (58.8)
|
226 (59.6)
|
441 (72.8)
|
MRSA
|
82 (41.2)
|
125 (33.0)
|
259 (42.7)
|
MSSA
|
12 (6.0)
|
51 (13.5)
|
107 (17.7)
|
Pneumococcus
|
4 (2.0)
|
10 (2.6)
|
15 (2.5)
|
Other Streptococcus spp.
|
7 (3.5)
|
15 (4.0)
|
18 (3.0)
|
Gram-negative pathogens
|
53 (26.6)
|
113 (29.8)
|
222 (36.6)
|
Pseudomonas aeruginosa
|
22 (11.1)
|
28 (7.4)
|
57 (9.4)
|
Acinetobacter spp.
|
8 (4.0)
|
16 (4.2)
|
44 (7.3)
|
Haemophilus spp.
|
6 (3.0)
|
5 (1.3)
|
23 (3.8)
|
Moraxella catarrhalis
|
4 (2.0)
|
1 (0.3)
|
2 (0.3)
|
Klebsiella spp.
|
5 (2.5)
|
32 (8.4)
|
41 (6.8)
|
Escherichia coli
|
10 (5.0)
|
19 (5.0)
|
17 (2.8)
|
Enterobacter spp.
|
3 (1.5)
|
15 (4.0)
|
31 (5.1)
|
Proteus mirabilis
|
1 (0.5)
|
8 (2.1)
|
13 (2.1)
|
Stenotrophomonas maltophilia
|
0 (0)
|
2 (0.5)
|
13 (2.1)
|
Polymicrobial
|
111 (55.8)
|
191 (50.4)
|
387 (63.9)
|
Culture negative
|
50 (25.1)
|
101 (26.6)
|
79 (13.0)
|
Bacteremia
|
28 (14.1)
|
49 (12.9)
|
103 (17.0)
|
-
HAP, Hospital-acquired pneumonia; HCAP, Healthcare-associated pneumonia; MRSA, Methicillin-resistant Staphylococcus aureus; MSSA, Methicillin-susceptible S. aureus; VAP, Ventilator-associated pneumonia.
-
aMost commonly isolated pathogens reported (at least 2% in HCAP, HAP, or VAP).