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Volume 11, Number 12—December 2005
Dispatch

Hemolytic Uremic Syndrome Risk and Escherichia coli O157:H7

Boldtsetseg Tserenpuntsag*, Hwa-Gan Chang†Comments to Author , Perry F. Smith*†, and Dale L. Morse*†
Author affiliations: *University at Albany, Albany, New York, USA; †New York State Department of Health, Albany, New York, USA

Main Article

Table 1

Characteristics of hospitalized Escherichia coli O157:H7 patients by HUS case status, New York, 1998–1999*

Characteristic Total (N = 238) n (%) HUS (n = 36) n (%) Non-HUS (n = 202) n (%) OR (95% CI) p value
Age (y)
0–4 34 (14) 18 (49) 16 (8) 4.9 (2.2–11.8) <0.001
5–14 52 (22) 6 (17) 46 (23) 1.1 (0.4–3.1)
15–65 96 (24) 6 (17) 90 (44) 0.6 (0.2–1.7)
>65 56 (40) 6 (17) 50 (25) 1.0
Sex
Female 147 (62) 25 (69) 122 (61) 1.5 (0.8–3.4) 0.33
Male 91 (38) 11 (31) 80 (39) 1.0
Outcome
Dead 7 (3) 5 (14) 2 (1) 16.1 (2.9–86.8) 0.001
Alive 231 (97) 31 (86) 200 (99) 1.0
Outbreak
Yes 49 (21) 15 (42) 34 (17) 3.6 (1.6–7.5) 0.01
No 189 (79) 21 (58) 168 (83) 1.0
Hospital stay (d)
>4 121 (51) 31 (86) 90 (45) 7.7 (2.8–20.6) 0.001
1–4 117 (49) 5 (14) 112 (55) 1.0
Bloody stool
Yes 203 (85) 30 (84) 173 (86) 0.8 (0.3–2.4) 0.77
No 35 (15) 6 (16) 29 (14) 1.0
Fever
Yes 71 (30) 19 (53) 52 (26) 3.2 (1.6–6.5) 0.009
No 167 (70) 17 (47) 150 (74) 1.0
Vomiting
Yes 96 (40) 14 (39) 82 (40) 0.9 (0.4–1.9) 0.84
No 142 (60) 22 (61) 120 (60) 1.0
Antimicrobial drug use
Yes 89 (37) 11 (31) 78 (38) 0.7 (0.3–1.5) 0.38
No 149 (63) 25 (69) 124 (62) 1.0
Proteinuria at admission
Yes 60 (25) 23 (64) 37 (18) 7.8 (3.6–17.0) <0.001
No 178 (75) 13 (36) 165 (82) 1.0
Hematuria at admission
Yes 80 (34) 23 (64) 57 (28) 4.5 (2.1–9.4) <0.001
No 158 (66) 13 (36) 145 (72) 1.0
Leukocyte count at admission
>13,000/μL 119 (50) 29 (81) 90 (44) 5.2 (2.2–12.3) <0.001
<13,000/μL 119 (50) 7 (19) 112 (56) 1.0
Duration of diarrhea before hospitalization
>3 days 70 (29) 24 (67) 46 (23) 6.7 (3.1–14.6) <0.001
<3 days 168 (71) 12 (33) 156 (77) 1.0

*HUS, hemolytic uremic syndrome; OR, odds ratio; CI, confidence interval.

Main Article

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Page updated: February 02, 2012
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