Table 1.
Frequency of isolation | ||
---|---|---|
Organism | All infections (%)a | Hospital-acquired infections (%) |
Gram-positive aerobes | 57–60 | 29–55 |
Staphylococcus aureus (all) | 29–46 | 13–19 |
Staphylococcus aureus (MR) | 3–15 | 8–12 |
Coagulase-negative staphylococci | 3–5 | 6–13 |
Streptococci | 7–20 | 3–4 |
Enterococcus spp. | 3–8 | 5–14 |
Gram-negative aerobes | 22–26 | 25–47 |
Pseudomonas aeruginosa | 3–11 | 3–9 |
Escherichia coli | 4–13 | 7–12 |
Enterobacter spp. | 5–6 | 4–9 |
Klebsiella pneumoniae | 3–4 | 4–6 |
Proteus spp. | 4–6 | 2–4 |
Acinetobacter spp. | ND | 3–4 |
Serratia spp. | 2–3 | 1–4 |
Anaerobes | 17–33 | ND |
Bacteroides spp. | 5–13 | ND |
Peptostreptococcus spp. | 4–8 | ND |
Prevotella spp. | 3 | ND |
Clostridium spp. | 1 | ND |
Note: Infections in patients requiring hospitalization for treatment.
Abbreviations: MR, methicillin-resistant; ND, no data reported.