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Volume 11, Number 2—February 2005

Late Recognition of SARS in Nosocomial Outbreak, Toronto

Thomas Wong*†Comments to Author , Tamara Wallington‡, L. Clifford McDonald§, Zahid Abbas*, Michael Christian†, Donald E. Low†, Denise Gravel*, Marianna Ofner*†, Barbara Mederski¶, Lisa Berger‡, Lisa Hansen*, Cheryl Harrison¶, Arlene King*, Barbara Yaffe‡, and Theresa Tam*
Author affiliations: *Health Canada, Ottawa, Ontario, Canada; †University of Toronto, Toronto, Ontario, Canada; ‡Toronto Public Health, Toronto, Ontario, Canada; §Centers for Disease Control and Prevention, Atlanta, Georgia, USA; ¶North York General Hospital, Toronto, Ontario, Canada

Main Article

Table 1

Proportion of patients with late SARS recognition by demographic and exposure characteristics, Toronto, hospital X, April 17–June 8, 2003*

Characteristics Late SARS recognition (%) RR (95% CI) p value
Age (y) 0.6 (0.2–1.7) 0.5
  <58.5 4/16 (25.0)
  >58.5 7/17 (41.2)
Sex 0.5 (0.1–1.4) 0.3
  F 3/15 (20.0)
  M 8/18 (44.4)
Aware of close contact with a SARS patient UD <0.001
  Yes 0/14 (0)
  No 11/19 (57.9)
Exposure from being an inpatient on wards at hospital X with SARS clusters 4.1 (1.3–12.7) <0.01
  Yes 8/13 (61.5)
  No 3/20 (15.0)
Admitted to hospital X before May 23, 2003 UD <0.01
  Yes 11/20 (55.0)
  No 0/13 (0)
SARS symptom onset while hospitalized UD <0.001
  Yes 11/15 (73.3)
  No 0/18 (0)

*SARS, severe acute respiratory syndrome; RR, relative risk; CI, confidence interval; F, female; M, male; UD, undefined.

Main Article

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Page updated: April 27, 2011
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