Volume 11, Number 2—February 2005
Dispatch
Late Recognition of SARS in Nosocomial Outbreak, Toronto
Thomas Wong*†
, 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*
, 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*
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.
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