Volume 13, Number 2—February 2007
Dispatch
Surveillance for Shiga Toxin–producing Escherichia coli, Michigan, 2001–2005
Shannon D. Manning*, Robbie T. Madera†, William Schneider†, Stephen E. Dietrich†, Walid Khalife‡, William Brown§, Thomas S. Whittam*, Patricia Somsel†, and James T. Rudrik†
Table 2
Association of characteristics with infection by Shiga toxin–producing Escherichia coli among 389 of 438 patients for whom data were available, Michigan, 2001–2005*†
| Characteristic | No. with characteristic | No. (%) hospitalized | OR (95% CI) |
|---|---|---|---|
| Demographics | |||
| Age, y | |||
| ≤18 | 178 | 77 (43) | 1.0 |
| 19–64 | 178 | 94 (53) | 1.5 (0.95–2.28) |
| ≥65 | 32 | 26 (81) | 5.7 (2.09– 16.27) |
| Sex | |||
| Female | 204 | 105 (51) | 1.0 |
| Male | 185 | 92 (50) | 0.9 (0.61– 1.42) |
| Clinical symptoms | |||
| Abdominal pain | |||
| No | 76 | 40 (53) | 1.0 |
| Yes | 304 | 151 (50) | 0.9 (0.54– 1.47) |
| Body aches | |||
| No | 323 | 161 (50) | 1.0 |
| Yes | 57 | 30 (53) | 1.1 (0.64– 1.96) |
| Chills | |||
| No | 313 | 155 (50) | 1.0 |
| Yes | 66 | 36 (55) | 1.2 (0.72– 2.08) |
| Diarrhea | |||
| No | 154 | 82 (53) | 1.0 |
| Yes | 226 | 109 (48) | 0.8 (0.54– 1.23) |
| Bloody diarrhea | |||
| No | 77 | 30 (39) | 1.0 |
| Yes | 303 | 161 (53) | 1.8 (1.10– 2.96) |
| HUS | |||
| No | 368 | 180 (49) | 1.0 |
| Yes | 12 | 11 (92) | 11.5 (1.47– 89.90) |
| Bacterial serotype and genes | |||
| O157 | 360 | 181 (50) | 1.0 |
| Non-O157 | 29 | 16 (55) | 1.2 (0.57– 2.60) |
| stx1 | 28 | 14 (50) | 1.0 |
| stx2 | 121 | 54 (45) | 0.8 (0.33– 1.98) |
| stx1,2 | 239 | 128 (54) | 1.2 (0.49- 2.70) |
*OR, odds ratio; CI, confidence interval; HUS, hemolytic-uremic syndrome.
†Some numbers do not add up to the total (n = 389) because of missing values (never >2.6%).
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Page updated: June 29, 2010
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