Volume 11, Number 11—November 2005
Dispatch
Long-term Death Rates, West Nile Virus Epidemic, Israel, 2000
Manfred S. Green*†
, Miriam Weinberger†‡, Judith Ben-Ezer*, Hanna Bin§, Ella Mendelson§, Dan Gandacu¶, Zalman Kaufman*, Rita Dichtiar*, Annette Sobel#, Dani Cohen*†, and Michal Y. Chowers†**
, Miriam Weinberger†‡, Judith Ben-Ezer*, Hanna Bin§, Ella Mendelson§, Dan Gandacu¶, Zalman Kaufman*, Rita Dichtiar*, Annette Sobel#, Dani Cohen*†, and Michal Y. Chowers†**
Table 2
Cox proportional hazards analysis for the association between coexisting conditions and 2-year death rate follow-up of 246 patients >20 years discharged from hospital during a West Nile virus epidemic, Israel, 2000*
| Variable | B | RR | 95% CI | p |
|---|---|---|---|---|
| Age† (y) | ||||
| 75–84 | 2.00 | 7.38 | 2.77–17.71 | <0.0001 |
| >85 | 2.49 | 12.10 | 4.24–34.49 | <0.0001 |
| Sex (M = 0, F = 1) | –1.09 | 0.33 | 0.14–0.79 | 0.0124 |
| Diabetes (no = 0, yes = 1) | 1.01 | 2.74 | 1.11–6.81 | 0.0294 |
| Ischemic heart disease (no = 0, yes = 1) | 0.17 | 1.19 | 0.52–2.72 | 0.6794 |
| Immunodeficiency (no = 0, yes = 1) | 0.04 | 1.04 | 0.13–8.08 | 0.9696 |
| Cerebrovascular disease (no = 0, yes = 1) | –1.22 | 0.29 | 0.07–1.28 | 0.1023 |
| Hypertension (no = 0, yes = 1) | 0.09 | 1.09 | 0.48–2.48 | 0.8365 |
| Dementia (no = 0, yes = 1) | 1.08 | 2.94 | 1.09–7.91 | 0.0330 |
*B, natural logarithm of the hazard rate ratio; RR, hazard rate ratio; CI, confidence interval.
†The age group <75 years old was set as a reference.
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