Table 1 Comparison of the spectrum and ranking of microorganisms identified from blood cultures in 13 ICUs (1998–2004), analyzed by different data pre-processing methods.
RDMa | DFMb | CFMc | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Rank | Microorganism | n | % | Rank | Microorganism | n | % | Rank | Microorganism | n | % |
1 | Staphylococcus epidermidis | 448 | 31.4% | 1 | Staphylococcus epidermidis | 305 | 32.1% | 1 | Staphylococcus aureus | 123 | 20.6% |
2 | Staphylococcus aureus | 198 | 13.9% | 2 | Staphylococcus aureus | 123 | 12.9% | 2 | Staphylococcus epidermidis | 80 | 13.4% |
3 | Candida albicans | 96 | 6.7% | 3 | Pseudomonas aeruginosa | 58 | 6.1% | 3 | Pseudomonas aeruginosa | 58 | 9.7% |
4 | Pseudomonas aeruginosa | 89 | 6.2% | 4 | Candida albicans | 56 | 5.9% | 4 | Candida albicans | 56 | 9.4% |
5 | Escherichia coli | 71 | 5.0% | 5 | Escherichia coli | 41 | 4.3% | 5 | Escherichia coli | 41 | 6.9% |
6 | Enterobacter cloacae | 63 | 4.4% | 6 | Enterobacter cloacae | 36 | 3.8% | 6 | Enterobacter cloacae | 36 | 6.0% |
7 | Enterococcus faecalis | 45 | 3.2% | 7 | Enterococcus faecalis | 29 | 3.0% | 7 | Enterococcus faecalis | 29 | 4.8% |
8 | Enterococcus faecium | 34 | 2.4% | 8 | Enterococcus faecium | 27 | 2.8% | 8 | Enterococcus faecium | 27 | 4.5% |
9 | Acinetobacter baumannii | 26 | 1.8% | 9 | Klebsiella pneumoniae | 16 | 1.7% | 9 | Klebsiella pneumoniae | 16 | 2.7% |
10 | Staphylococcus haemolyticus | 24 | 1.7% | 10 | Staphylococcus haemolyticus | 15 | 1.6% | 10 | Acinetobacter baumannii | 13 | 2.2% |
others | 333 | 23.3% | Others | 245 | 25.8% | others | 119 | 19.9% | |||
Total | 1427 | 100.0 | Total | 951 | 100.0 | total | 598 | 100.0 | |||