Volume 12, Number 7—July 2006
Dispatch
Follow-up of 2003 Human West Nile Virus Infections, Denver, Colorado
Table 1
Prevalence of chronic health conditions and medication use among West Nile virus (WNV) study patients and multivariate model of predictors of more severe illness*
Condition | All WNV patients (n = 656); prevalence, % | Meningitis patients (n = 84); adjusted OR (95% CI)† | Encephalitis patients (n = 41); adjusted OR (95% CI)† |
---|---|---|---|
High blood pressure | 12.2 | 1.0 (0.4–2.1) | 2.1 (1.0–4.6) |
Diabetes | 6.1 | 0.8 (0.3–2.5) | 2.6 (1.0–6.5) |
Heart disease | 3.8 | 1.4 (0.5–4.5) | 2.7 (0.9–8.2) |
Cancer | 1.5 | 6.6 (1.6–27.5) | 7.5 (1.2–45.4) |
Kidney disease | 1.2 | 2.3 (0.2–22.9) | 24.9 (4.7–132.5) |
Steroids | 3.0 | 1.3 (0.4–4.6) | 1.8 (0.4–8.5) |
Chemotherapy | 1.4 | 7.7 (1.5–40.0) | 25.9 (4.2–159.7) |
*CI, confidence interval; OR, odds ratio.
†Adjusted for sex and age >50 y.