Volume 20, Number 4—April 2014
CME ACTIVITY - Research
Travel-associated Antimicrobial Drug–Resistant Nontyphoidal Salmonellae, 2004–2009
Russell S. Barlow, Emilio E. DeBess
, Kevin L. Winthrop, Jodi A. Lapidus, Robert Vega, and Paul R. Cieslak
, Kevin L. Winthrop, Jodi A. Lapidus, Robert Vega, and Paul R. Cieslak
Table 6
Associations of salmonellosis with CIR for 1,571 patients, excluding patients with history of international travel, Oregon, 2004–2009*
| Variable | No. patients | % CIR isolates | Odds ratio (95% CI) | Adjusted odds ratio (95% CI) |
|---|---|---|---|---|
| Salmonella serotype | ||||
| Enteriditis | 232 | 4.3 | Referent | |
| Typhimurium | 245 | 22.5 | 5.6 (2.8–11.5) | 6.9 (3.4–14.0) |
| Heidleberg | 147 | 27.2 | 6.9 (3.3–14.6) | 9.1 (4.3–19.0) |
| Typhimurium var. Copenhagen | 85 | 52.9 | 19.7 (8.9–43.4) | 26.0 (12.0–56.4) |
| Newport | 66 | 48.5 | 16.1 (7.0–36.8) | 19.3 (8.7–43.1) |
| I 4, 5, 12:i:- | 77 | 18.2 | 3.3 (1.4–8.0) | 5.1 (2.2–12.1) |
| Montevideo | 70 | 4.3 | 0.7 (0.2–2.8) | 1.0 (0.3–3.8) |
| Saintpaul | 43 | 18.6 | 5.8 (2.0–16.7) | 5.5 (2.0–15.1) |
| Paratyphi B var. L+ Tartrate+ | 45 | 26.7 | 6.3 (2.5–16.1) | 9.0 (3.5–22.6) |
| All other |
561 |
8.0 |
1.6 (0.8–3.3) |
1.8 (0.9–3.6) |
| Case type | ||||
| Sporadic | 1190 | 18.7 | Referent | |
| Outbreak |
381 |
11.0 |
0.6 (0.4–0.8) |
0.5 (0.4–0.8) |
| Year ( odds of CIR cases/y) |
1571 | 16.8 | 1.1 (1.0–1.2) | 1.1 (1.0–1.2) |
| Age, y |
||||
| 18–64 | 817 | 16.5 | Referent | |
| <1 | 119 | 18.5 | 1.1 (0.7–1.9) | 1.3 (0.8–2.3) |
| 1–4 | 204 | 16.2 | 0.9 (0.6–1.4) | 0.8 (0.5–1.2) |
| 5–17 | 245 | 18.8 | 1.1 (0.8–1.6) | 0.9 (0.6–1.4) |
| >65 |
186 |
15.1 |
0.8 (0.5–1.3) |
0.8 (0.5–1.4) |
| Race | ||||
| White | 1662 | 16.7 | Referent | |
| Not white | 151 | 18.5 | 1.2 (0.7–1.9) | 1.1 (0.7–1.8) |
*Multiple logistic regression analysis. CIR, clinically important resistance to >1 of the following: ampicillin, ceftriaxone, ciprofloxacin, gentamicin, or trimethoprim/sulfamethoxazole.clinically important resistance. Boldface indicates statistical significance at p<0.05.
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