Volume 13, Number 12—December 2007
Dispatch
Risk Factors for West Nile Virus Neuroinvasive Disease, California, 2005
Cynthia M. Jean*
, Somayeh Honarmand*, Janice K. Louie*, and Carol A. Glaser*
, Somayeh Honarmand*, Janice K. Louie*, and Carol A. Glaser*
Table 2
Univariate analysis of potential risk factors for developing WNND versus WNF*
| Characteristic | WNF, no. (%) | WNND, no. (%) | Odds ratio | 95% Confidence interval |
|---|---|---|---|---|
| Diabetes | 39 (11) | 60 (34) | 4.15 | 2.63–6.55 |
| Age >64 y | 94 (18) | 99 (32) | 2.24 | 1.62–3.11 |
| Hypertension | 105 (29) | 83 (46) | 2.08 | 1.44–3.01 |
| Male sex | 270 (51) | 188 (62) | 1.57 | 1.18–2.09 |
*WNND, West Nile neuroinvasive disease; WNF, West Nile fever.
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