Table 2 |
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|
Diagnostic criteria for infection and the microorganisms isolated in patients with abdominal and respiratory infections |
||||
|
Characteristic |
All patients (n = 542) |
Abdominal infection (n = 162) |
Respiratory infection (n = 380) |
P-value |
|
|
||||
|
Diagnostic criteria |
||||
|
Isolates only |
44 (8.1%) |
9 (5.6%) |
35 (9.2%) |
0.17 |
|
Clinical only |
294 (54.2%) |
91 (56.2%) |
203 (53.4%) |
0.57 |
|
Both |
204 (37.6%) |
62 (38.3%) |
142 (37.4%) |
0.85 |
|
Class/microorganism |
||||
|
Gram-positive |
130 (23.9%) |
42 (25.9%) |
88 (23.2%) |
0.58 |
|
Gram-negative |
144 (26.5%) |
43 (26.5%) |
101 (26.6%) |
0.64 |
|
Anaerobes |
9 (1.6%) |
7 (4.3%) |
2 (0.5%) |
0.45 |
|
Atypical microorganisms |
4 (0.7%) |
0 |
4 (1.1%) |
0.323 |
|
Fungi |
81 (14.9%) |
30 (18.5%) |
51 (13.4%) |
0.148 |
|
Gram-positive |
||||
|
Any Staphylococcus |
119 (22.0%) |
36 (22.2%) |
83 (21.8%) |
0.92 |
|
Staphylococcus aureus |
91 (16.8%) |
30 (18.5%) |
61 (16.1%) |
0.48 |
|
MRSA |
59 (10.9%) |
22 (13.6%) |
37 (9.7%) |
0.18 |
|
Staphylococcus, others |
70 (12.9%) |
19 (11.7%) |
51 (13.4%) |
0.59 |
|
Any Streptococcus |
88 (16.2%) |
39 (24.1%) |
49 (12.9%) |
< 0.001 |
|
Streptococcus group D |
54 (10.0%) |
30 (18.5%) |
24 (6.3%) |
< 0.001 |
|
Streptococcus pneumoniae |
19 (3.5%) |
1 (0.6%) |
18 (4.7%) |
0.02 |
|
Streptococcus, others |
19 (3.5%) |
9 (5.6%) |
10 (2.6%) |
0.09 |
|
Gram-positive bacilli |
15 (2.8%) |
3 (1.9%) |
12 (3.2%) |
0.57 |
|
Gram-positive, others |
10 (1.8%) |
1 (0.6%) |
9 (2.4%) |
0.29 |
|
Gram-negative |
||||
|
Pseudomonas species |
67 (12.4%) |
19 (11.7%) |
48 (12.6%) |
0.77 |
|
Escherichia coli |
54 (10.0%) |
25 (15.4%) |
29 (7.6%) |
0.006 |
|
Enterobacter |
25 (4.6%) |
11 (6.8%) |
14 (3.7%) |
0.11 |
|
Klebsiella |
25 (4.6%) |
6 (3.7%) |
19 (5.0%) |
0.51 |
|
Proteus |
15 (2.8%) |
6 (3.7%) |
9 (2.4%) |
0.38 |
|
Acinetobacter |
17 (3.1%) |
2 (1.2%) |
15 (3.9%) |
0.11 |
|
Haemophilus |
12 (2.2%) |
1 (0.6%) |
11 (2.9%) |
0.12 |
|
Gram-negative bacilli |
36 (6.6%) |
12 (7.4%) |
24 (6.3%) |
0.64 |
|
Gram-negative, others |
90 (16.6%) |
26 (16.0%) |
64 (16.8) |
0.82 |
|
Fungi |
||||
|
Candida albicans |
61 (11.3%) |
21 (13.0%) |
40 (10.5%) |
0.41 |
|
Candida, others |
19 (3.5%) |
10 (6.2%) |
9 (2.4%) |
0.02 |
|
Fungi, others |
7 (1.3%) |
2 (1.2%) |
5 (1.3%) |
1 |
|
Viral/parasitic |
9 (1.7%) |
1 (0.6%) |
8 (2.1%) |
0.21 |
|
|
||||
|
CSF: cerebrospinal fluid; MRSA: methicillin-resistant S. aureus; Staphylococcus, others includes methicillin-sensitive S. aureus and Staphylococcus coagulase negative methicillin-sensitive; Streptococcus, others includes Streptococcus A, B, C, G group and others; Gram-positive bacilli includes, Moraxella and others; Gram-negative, others includes Salmonella, Serratia, Citrobacter, Stenotrophomonas maltophilia, Campylobacter, other enterobacteroids, Gram-negative cocci; Anaerobes includes Clostridium, Bacteroides, anaerobic cocci, and others; Atypical microorganisms includes Mycobacteria, Chlamydia, Rickettsia, Legionella pneumonia; Fungi, others includes Aspergillus and others. The microorganism was considered once per patient even if present in more than one site. |
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|
Volakli et al. Critical Care 2010 14:R32 doi:10.1186/cc8909 |
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