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Volume 17, Number 2—February 2011

Research

Risk Factors for Cryptococcus gattii Infection, British Columbia, Canada

Laura MacDougallComments to Author , Murray Fyfe, Marc Romney, Mike Starr, and Eleni Galanis
Author affiliations: Author affiliations: British Columbia Centre for Disease Control, Vancouver, British Columbia, Canada (L. MacDougall, M. Fyfe, M. Romney, M. Starr, E. Galanis); Public Health Agency of Canada, Ottawa, Ontario (L. MacDougall); Vancouver Island Health Authority, Victoria, British Columbia, Canada (M. Fyfe); University of British Columbia, Vancouver (M. Fyfe, M. Romney, E. Galanis); St. Paul’s Hospital, Vancouver (M. Romney); Royal Children’s Hospital, Melbourne, Victoria, Australia (M. Starr)

Main Article

Table 3

Risk factors for Cryptococcus gattii infection as evaluated by case−control study and population-based comparison, British Columbia, 1999–2007*

Risk factor Case−control study†
Population comparison‡
Evaluated Association with disease Evaluated Association with disease
Age Yes None Yes Positive
Sex
No


Yes
None
Oral steroid use
Yes
Positive

No

Invasive cancer
Yes
None

Yes
Positive
Pneumonia
Yes
Positive

No

Other lung problems§ Yes Positive No
COPD
No


Yes
None
Asthma
Yes
None

Yes
None
Current smoker
Yes
None

Yes
Positive
HIV infection
No


Yes
Positive
Environmental exposures Yes Negative¶ No

*COPD, chronic obstructive pulmonary disease.
†n = 30 matched pairs.
‡n = 218 case-patients with C. gattii infection.
§Includes emphysema, chronic bronchitis, COPD, sarcoidosis.
¶Negative associations were found for cutting/chopping wood, pruning, and cleaning up branches.

Main Article

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