Volume 8, Number 2—February 2002
Research
Antibiotic Resistance Patterns of Bacterial Isolates from Blood in San Francisco County, California, 1996-1999
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.


