Volume 17, Number 2—February 2011
Research
Risk Factors for Cryptococcus gattii Infection, British Columbia, Canada
Laura MacDougall
, Murray Fyfe, Marc Romney, Mike Starr, and Eleni Galanis
, Murray Fyfe, Marc Romney, Mike Starr, and Eleni GalanisTable 2
Comparison of risk factor prevalence among Cryptococcus gattii–infected patients and the general population, British Columbia, Canada, 1999–2007
| Risk factor | Prevalence, % (95% confidence interval) |
p value | |
|---|---|---|---|
| C. gattii–infected case-patients | General population | ||
| Age >50 y | 72.4 (64.9–79.8) | 31.3 | <0.001 |
| Male sex | 55.8 (46.4–65.1) | 49.6 | 0.198 |
| Current smoker |
41.9 (35.3–48.6) |
17.8 (16.9–18.6)* |
<0.001 |
| All invasive cancers | 24.7 (21.7–27.7) | 3.6 | <0.001 |
| Leukemia/lymphoma only | 8.4 (7.6–9.2) | 0.3 | <0.001 |
| Lung only |
3.9 (3.3–4.5) |
0.1 |
<0.001 |
| HIV infection |
3.7 (2.9–4.4) |
0.2 |
<0.001 |
| Chronic obstructive pulmonary disease |
4.1 (−0.5 to 9.6) |
8.0† |
0.090 |
| Asthma | 3.4 (−1.1 to 7.9) | 7.8 | 0.054 |
*From original data source.
†Estimated based on range provided.
