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Volume 11, Number 11—November 2005

Dispatch

Long-term Death Rates, West Nile Virus Epidemic, Israel, 2000

Manfred S. Green*†Comments to Author , Miriam Weinberger†‡, Judith Ben-Ezer*, Hanna Bin§, Ella Mendelson§, Dan Gandacu¶, Zalman Kaufman*, Rita Dichtiar*, Annette Sobel#, Dani Cohen*†, and Michal Y. Chowers†**
Author affiliations: *Israel Center for Disease Control, Tel Hashomer, Israel; †Tel Aviv University, Tel Aviv, Israel; ‡Rabin Medical Center, Petach Tikva, Israel; §Central Virology Laboratory, Tel Hashomer, Israel; ¶Ministry of Health, Jerusalem, Israel; #State of New Mexico Office of Homeland Security, Santa Fe, New Mexico, USA; **Meir Medical Center, Kfar Sava, Israel

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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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