Table 2. Proportionala resistance of highly resistant organisms by ward,b San Francisco County, 1996 to 1999.
| Ward | Methicillin- resistant Staphylococcus aureus | Vancomycin- resistant
Enterococcus faecium | Penicillin- resistant
Streptococcus pneumoniae |
|---|---|---|---|
| Skilled nursing facility | 38.0% (100) | 66.7% (6) | 8.3% (12) |
| Med/surg ICU | 27.2% (298) | 50.0% (58) | 13.3% (75) |
| Pediatric ICU | 30.3% (33) | 25.0% (4) | 0% (2) |
| Med/surg floors | 21.8% (709) | 47.8% (92) | 12.0% (166) |
| Pediatric floors | 9.1% (33) | 60.0% (5) | 40.0% (10) |
| Emergency department | 19.6% (424) | 22.7% (22) | 9.5% (305) |
| Outpatient | 15.9% (171) | 12.5% (8) | 23.6% (72) |
| Other/unknown | 28.6% (7) | 100% (1) | 32.4% (34) |
| Total | 22.4% (1,782) | 44.9% (196) | 13.6 (678) |
aProportional resistance refers to the proportion of isolates of that species that is resistant to the indicated antibiotic.
bTotal number of species isolates given in parentheses. Percentages for small numbers of total isolates should be cautiously interpreted.
ICU = intensive care unit.