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Volume 10, Number 8—August 2004

Research

Long-Term Prognosis for Clinical West Nile Virus Infection

Anne Labowitz Klee*, Beth Maldin*, Barbara Edwin*, Iqbal Poshni*, Farzad Mostashari*, Annie Fine*, Marcelle Layton*, and Denis Nash*†1Comments to Author 
Author affiliations: *New York City Department of Health, New York City, New York, USA; †Centers for Disease Control and Prevention, Atlanta, Georgia, USA; 1Current affiliation: New York Academy of Medicine, New York, New York, USA

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Table 5

Recovery at 12 months postonset by health status domain and age at illness onset in patients with clinical West Nile virus infection, New York City, 1999

Recovery Total Recovered, n (%) Not recovered, n (%) Risk ratio 95% confidence interval
Physical recovery
<65 13 8 (61.5) 5 (38.5) 1.2 0.68–2.2
>65 22 11 (50.0) 11 (50.0) Referent
Total 35 19 (54.3) 16 (45.7)
Cognitive recovery
<65 13 9 (69.2) 4 (30.8) 1.3 0.77–2.3
>65 21 11 (52.4) 10 (47.6) Referent
Total 34 20 (58.8) 14 (41.2)
Functional recovery
<65 13 10 (76.9) 3 (23.1) 1.7 0.98–2.9
>65 22 10 (45.5) 12 (54.5) Referent
Total 35 20 (57.1) 15 (42.9)
Total recovery
<65 13 8 (61.5) 5 (38.5) 2.7 1.1–6.5
>65 22 5 (22.7) 17 (77.3) Referent
Total 35 13 (37.1) 22 (62.9)

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