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Volume 10, Number 6—June 2004

Research

Nursing Home Residents and Enterobacteriaceae Resistant to Third-Generation Cephalosporins

Carolyn Sandoval*, Stephen D. Walter*, Allison McGeer†, Andrew E. Simor†, Suzanne F. Bradley‡, Lorraine M. Moss*, and Mark B. Loeb*Comments to Author 
Author affiliations: *McMaster University, Hamilton, Ontario, Canada; †Mount Sinai Hospital, Toronto, Ontario, Canada; ‡Sunnybrook and Women’s College Health Science Centre, Toronto, Ontario, Canada; ‡Veterans’ Affairs Health Systems, and University of Michigan Medical School, Ann Arbor, Michigan, USA

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Table 3

Univariate logistic regression analyses of individual-level variables with clinical isolate of Enterobacteriaceae resistant to third-generation cephalosporins as the dependent variable

Variablesa Case-patients (%) Controls (%) OR (95% CI)b p value
Any antimicrobial drug
13 (48)
27 (32)
2.0 (0.8 to 4.8)
0.125
Any cephalosporin
8 (30)
6 (7)
5.5 (0.1 to 0.6)
0.004
Third-generation cephalosporin
2 (7)
2 (2)
3.3 (0.04 to 2.2)
0.242
Fluoroquinolone
3 (11)
7 (8)
1.4 (0.1 to 3.0)
0.649
Trimethoprim/sulfamethoxazole 4 (15) 5 (6) 2.8 (0.1 to 1.4) 0.150

a10 weeks before date of confirmed Enterobacteriaceae infection.
bOR, odds ratio; CI, confidence interval.

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