Table 1.
The top five pathogens associated with ventilator-associated pneumonia and MRSA resistance percentage in different surveillance systems
| KISS n = 586 ICUs The Hospital Infection Surveillance System, Germany, 2005-2009 |
NHSN n = 1040 ICUs National Healthcare Safety Network, USA, 2006-2007 [9] |
INICC n = 173 ICUs International Nosocomial Infection Control Consortium, multinational, 2003-2008 [7] | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Rank | Number (%) of pathogenic isolates# | MRSA resistance percentage a | Rank | Number (%) of pathogenic isolates | MRSA resistance percentagea | Rank | Number (%) of pathogenic isolates* | MRSA resistance percentagea | |
| Staphylococcus aureus | 1 | 2411 (19.8%) | 37.0% | 1 | 1426 (24.4%) | 54.4% | 3 | 715 (15.9%) | 77.5% |
| Pseudomonas aeruginosa | 2 | 2195 (18.0%) | 2 | 972 (16.3%) | 1 | 1636 (36.4%) | |||
| Escherichia coli | 3 | 1449 (11.9%) | 5 | 299 (6.7%) | |||||
| Klebsiella species | 4 | 1474 (12.1%) | 3 | 574 (9.7%)b | 4 | 632 (14.1%)c | |||
| Enterobacter species | 5 | 979 (8.0%) | 4 | 498 (8.4%) | |||||
| Acinetobacter baumannii | 4 | 498 (8.4%) | 2 | 1209 (26.9%) | |||||
aPercentage of pathogenic isolates tested that were resistant; b Klebsiella pneumonia and oxytoca; cdata for Klebsiella pneumoniae; #percentage of the total amount of pathogens (without enterococcus spp. or Candida spp.); *total amount of pathogens n = 4491 derived from table 16 [7]