Table 2. Incidence of hantavirus pulmonary syndrome and hantavirus antibody prevalence in the municipality of Uberlândia, Brazil, according to geographic area, 2006*.
| Variable | Area |
p value† | OR (95% CI) | ||
|---|---|---|---|---|---|
| Overall | Rural | Periurban | |||
| Disease | |||||
| Cases‡ | 13 | 5 | 8 | 0.24 | 1.92 (0.63–5.90) |
| Population | 71,122 | 17,406 | 53,716§ | ||
| Cumulative incidence, 1998–2005 (×104) |
1.83 |
2.87 |
1.50 |
|
|
| Infection | |||||
| Antibody positive | 12 | 8 | 4 | 0.38 | 0.49 (0.14–1.65) |
| Sample | 400 | 200 | 200 | ||
| Prevalence, % (95% CI)† | 3.0 (1.3–4.7) | 4.0 (1.3–6.7) | 2.0 (0.1–3.9) | ||
*OR, odds ratio; CI, confidence interval. †Rural versus periurban. Determined by using 2-tailed Fisher exact or binomial tests for 2 proportions. ‡Limongi et al. (3). §Total population of the southern part of the periurban area.