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Volume 20, Number 4—April 2014
CME ACTIVITY - Research

Travel-associated Antimicrobial Drug–Resistant Nontyphoidal Salmonellae, 2004–2009

Russell S. Barlow, Emilio E. DeBessComments to Author , Kevin L. Winthrop, Jodi A. Lapidus, Robert Vega, and Paul R. Cieslak
Author affiliations: Oregon Health Authority, Portland, Oregon USA (R.S. Barlow, E.E. DeBess, P.R. Cieslak); Oregon Health and Science University, Portland (R.S. Barlow, K.L. Winthrop, J.A. Lapidus); Oregon State Public Health Lab, Hillsboro, Oregon, USA (R. Vega)

Main Article

Table 5

Associations of salmonellosis with CIR among 1,407 sporadic cases only, Oregon, 2004–2009*

Variable No. patients % CIR isolates Odds ratio (95% CI) Adjusted odds ratio (95% CI)
Patient travel to Asia
No 1,363 17.9 Referent
Yes
44
38.6
2.9 (1.6–5.4)
4.6 (2.3–9.4)
Year ( odds of CIR cases/y)
1,407
18.6
1.0 (0.9–1.1)
1.1 (1.0–1.2)
Salmonella serotype
Enteritidis 254 7.5 Referent
Typhimurium 179 31.8 5.8 (3.3–10.2) 6.4 (3.6–11.5)
Heidelberg 94 33.0 6.1 (3.2–11.5) 6.9 (3.6–13.2)
Typhimurium var. Copenhagen 81 54.3 14.7 (7.8–27.9) 17.3 (8.9–33.4)
Newport 78 42.3 9.1 (4.7–17.3) 9.6 (4.9–18.6)
I 4, 5, 12:i:- 60 23.3 3.8 (1.8–8.0) 4.2 (1.9–9.0)
Montevideo 48 2.1 0.3 (0.0–2.0) 0.3 (0.0–2.2)
Saintpaul 35 14.3 2.1 (0.7–5.9) 2.3 (0.8–6.7)
Paratyphi B var. L+ Tartrate+ 36 19.4 3.0 (1.2–7.7) 3.2 (1.2–8.5)
All other
542
9.2
1.3 (0.7–2.2)
1.2 (0.7–2.1)
Patient age, y
18–64 785 17.7 Referent
<1 94 21.3 1.3 (0.7–2.1) 1.6 (0.9–2.8)
1–4 156 18.0 1.0 (0.6–1.6) 0.7 (0.4–1.2)
5–17 209 21.1 1.2 (0.8–1.8) 0.9 (0.6–1.4)
>65
163
18.4
1.0 (0.7–1.6)
1.1 (0.7–1.7)
Patient race
White 1,295 18.1 Referent
Not white 112 24.1 1.4 (0.9–2.3) 1.3 (0.8–2.2)

*Multiple logistic regression analysis. CIR, clinically important resistance to >1 of the following: ampicillin, ceftriaxone, ciprofloxacin, gentamicin, or trimethoprim/sulfamethoxazole. Boldface indicates statistical significance at p<0.05.

Main Article

Page created: March 18, 2014
Page updated: March 18, 2014
Page reviewed: March 18, 2014
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