Volume 11, Number 1—January 2005
Research
Invasive Group A Streptococcal Infections, Clinical Manifestations and Their Predictors, Montreal, 1995–2002
Table
Adjusted odds ratio (OR) for factors associated with death attributable to invasive group A streptococcal infections, Montreal, Canada, 1995–2002
| Variable | OR (95% CI)* |
|---|---|
| Age (y) | 1.04 (1.0–1.1)† |
| Underlying medical conditions | |
| No cancer | Referent |
| Cancer | 4.14 (1.6–10.5) |
| Primary site of infection | |
| Not cellulitis | Referent |
| Cellulitis | 0.38 (0.1–1.0) |
| Not pneumonia | Referent |
| Pneumonia | 3.62 (1.4–9.0) |
| Living environment | |
| Not working or living in hospital | Referent |
| Working or living in hospital | 3.71 (1.0–13.6) |
| M serotypes | |
| Not M2 | Referent |
| M2 | 10.69 (0.5–220) |
*CI, confidence interval.
†Increase in risk per increase in year of age.
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