Table 3.
Description of 8334 microoganisms identified in 7549 positive cultures
| Microorganism group | Isolates | Frequency | % Total (% of group) |
|---|---|---|---|
| Enterbacteriacae |
- |
3024 |
36.3 |
|
Escherichia coli |
1659 |
(54.9) |
|
|
Klebsiella pneumoniae |
534 |
(17.7) |
|
|
Enterobacter cloacae |
221 |
(7.3) |
|
| Other |
610 |
(20.2) |
|
|
Staphylococcus Aureus |
- |
1065 |
12.8 |
| Streptococci |
- |
979 |
11.7 |
|
Streptococcus pneumoniae |
321 |
(32.8) |
|
| Group B Streptococcus (s. agalactiae) |
131 |
(13.4) |
|
| Viridans group Streptococcus |
105 |
(10.7) |
|
| Other |
422 |
(43.1) |
|
| Enterococcus (including Streptococcus bovis) |
- |
689 |
8.3 |
|
Enterococcus faecalis |
412 |
(59.8) |
|
|
Enterococcus faecium |
211 |
(30.6) |
|
| Enterococcus species |
31 |
(4.5) |
|
| Other |
35 |
(5.1) |
|
| Candida |
- |
574 |
6.9 |
|
Candida albicans |
292 |
(50.9) |
|
|
Candida (torulopsis) glabrata |
119 |
(20.7) |
|
|
Candida parapsilosis |
65 |
(11.3) |
|
| Other |
98 |
(17.1) |
|
| Other gram negative and gram-variable bacilli |
- |
538 |
6.5 |
|
Pseudomonas aeruginosa |
381 |
(70.8) |
|
| Gram-negative bacilli |
69 |
(12.8) |
|
|
Achromobacter (alcaligenes) xylosoxidans |
17 |
(3.2) |
|
| Other |
71 |
(13.2) |
|
| Anaerobic gram-positive nonsporulating bacilli |
- |
239 |
2.9 |
|
Propionibacterium acnes |
114 |
(47.7) |
|
| Propionibacterium species |
102 |
(42.7) |
|
|
Eubacterium lentum |
16 |
(6.7) |
|
| Other |
7 |
(2.9) |
|
| Other anaerobes |
- |
160 |
1.9 |
|
Bacteroides fragilis |
99 |
(61.9) |
|
|
Bacteroides thetaiotaomicron (fragilis gr.) |
13 |
(8.1) |
|
|
Fusobacterium nucleatum |
10 |
(6.3) |
|
| Other |
38 |
(23.8) |
|
| Methicillin resistant staphylococcus aureus |
- |
153 |
1.8 |
| Clostridium |
- |
116 |
1.4 |
|
Clostridium perfringens |
49 |
(42.2) |
|
|
Clostridium septicum |
23 |
(19.8) |
|
| Clostridium species |
18 |
(15.5) |
|
| Other |
26 |
(22.4) |
|
| Other |
- |
797 |
9.6 |
| Coagulase-negative Staphylococcus |
158 |
(19.8) |
|
|
Stenotrophomonas maltophilia |
70 |
(8.8) |
|
|
Haemophilus influenzae |
52 |
(6.5) |
|
| Other | 517 | (64.9) |
Blood cultures growing two organisms in the same class were counted once. Microorganisms were classified using Mandell [19].