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Volume 8, Number 2—February 2002

Research

Antibiotic Resistance Patterns of Bacterial Isolates from Blood in San Francisco County, California, 1996-1999

Susan S. Huang*†Comments to Author , Brian J. Labus†‡, Michael C. Samuel†‡, Dairian T. Wan†, and Arthur L. Reingold†‡
Author affiliations: *University of California San Francisco, San Francisco, California, USA; †California Department of Health Services, San Francisco, California, USA; ‡University of California Berkeley, Berkeley, California, USA;

Main Article

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.

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