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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;

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Table 4

Proportional resistance of selected gram-negative organisms by ward,a San Francisco County, 1996 to 1999

Escherichia coli- cefazolin E. coli-ciprofloxacin Enterococcus cloacae-ceftazidime Pseudomonas aeruginosa-ciprofloxacin P. aeruginosa-ceftazidime P. aeruginosa-imipenem Serratia marcescens-ceftazidime
Skilled
nursing facility 9.1% (88) 2.2% (92) 50% (6) 8.3% (12) 25% (12) 20.0% (10) 40.0% (5)
Med/surg ICU 8.4% (166) 1.9% (160) 53.4% (43) 21.5% (65) 15.9% (63) 11.9% (59) 12.1 (33)
Pediatric ICU 18.5% (27) 0% (28) 18.2% (11) 0% (13) 7.7% (13) 9.1% (11) 0% (11)
Med/surg floors 8.4% (586) 4.3% (564) 47.2% (53) 19.1% (89) 12.5% (88) 12.2% (74) 9.5% (21)
Pediatric floors 25.0% (16) 0% (16) 27.3% (11) 0% (10) 0% (10) 0% (8) 0% (6)
Emergency department 8.4% (536) 2.6% (549) 32.3% (31) 23.5% (34) 5.9% (34) 6.7% (30) 0% (17)
Outpatient 8.6% (117) 1.6% (123) 4.8% (21) 4% (25) 4.0% (25) 0% (22) 0% (15)
Other/unknown 11.1% (18) 0% (18) 0% (0) 0% (1) 0% (1) 0% (1) 0% (0)
Total 8.8% (1,554) 2.9% (1,550) 38.1% (176) 16.5% (249) 11.4% (246) 9.8% (215) 7.3% (109)

aTotal number of species isolates given in parentheses. Percentages for small numbers of total isolates should be cautiously.

ICU = intensive care unit

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