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- Blood cultures are positive in 20-40% of sepsis cases and in 40-70% of septic shock cases.
- For infected pts in ICUs, respiratory infections have been most common (64%). Microbiologic results have revealed that 62% of isolates are gram-negative bacteria (most commonly Pseudomonas spp. and Escherichia coli), 47% are gram-positive bacteria (most commonly Staphylococcus aureus), and 19% are fungi (most commonly Candida spp.), with some cultures being polymicrobial.
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