Volume 13, Number 9—September 2007
Research
Landscape Elements and Hantaan Virus–related Hemorrhagic Fever with Renal Syndrome, People’s Republic of China
Lei Yan*1, Wei Liu*1, Hua-Guo Huang*, Long-Qi Zhang*, Dan Feng†, Wen-Juan Zhao†, Wen-Yi Zhang†, Xiao-Wen Li*, and Wu-Chun Cao†1
Table 2
Result of univariate logistic analysis in different soil types in relation to HFRS occurrence in China, 1994–1998*
| Soil type | p value | OR (95% CI) |
|---|---|---|
| Anthrosol | <0.01 | 1.36 (1.12–1.64) |
| Ferralisol | <0.01 | 0.74 (0.61–0.89) |
| Alfisol | <0.01 | 1.88 (1.56–2.25) |
| Semiluvisol | <0.05 | 0.80 (0.65–0.99) |
| Caliche | <0.01 | 0.16 (0.11–0.23) |
| Arid | <0.01 | 0.06 (0.03–0.12) |
| Desert | <0.01 | 0.42 (0.33–0.54) |
| Skeletol primitive | <0.01 | 0.41 (0.33–0.50) |
| Semihydromorphic | <0.01 | 2.41 (2.00–2.90) |
| Hydromorphic | <0.05 | 0.60 (0.37–0.95) |
| Saline | <0.01 | 0.55 (0.39–0.77) |
| Alpine | <0.01 | 0.02 (0.01–0.04) |
*HFRS, hemorrhagic fever with renal syndrome; OR, odds ratio; CI, confidence interval.
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