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Volume 17, Number 7—July 2011


Age as Risk Factor for Death from Pandemic (H1N1) 2009, Chile

Jeannette Dabanch, Cecilia PerretComments to Author , Manuel Nájera, Claudia González, Andrea Guerrero, Andrea Olea, Rodrigo Fasce, Cecilia Morales, Jeanette Vega, and for the Advisory Committee of the Chilean Ministry of Health
Author affiliations: Author affilations: Universidad de los Andes Hospital Militar, Santiago, Chile (J. Dabanch); Pontificia Universidad Católica de Chile, Santiago (C. Perret); Chilean Ministry of Health, Santiago (M. Nájera, C. González, A. Guerrero, A. Olea, C. Morales, J. Vega); Public Health Institute of Chile, Santiago (R. Fasce)

Main Article


Risk factors for severe disease or death among patients with pandemic (H1N1) 2009, Chile, 2009*

Risk factor OR (95% CI)
Severe disease
Age group, y
<5 3.66 (3.27–4.11)†
5–14 0.22 (0.18–0.25)
15–59 0.89 (0.81–0.98)
7.94 (6.93–9.10)†
Age group, y
<15 0.17 (0.1–0.3)
15–59 1.44 (0.99–2.09)
>60 15.06 (9.94–22.72)†
Concurrent condition
All patients 5.89 (3.08–11.52)†
Age group, y
<1 ND (inexact)‡
1–4 3.53 (0.24–101.6)
5–14 ND (inexact)‡
15–49 6.69 (2.4–20.0)†
50–64 2.39 (0.77–8.5)
>64 1.0 (0.18–7.0)

*OR, odds ratio; CI, confidence interval; ND, not defined.
‡Not significant.

Main Article

1These authors contributed equally to this article.

2Additional members of this committee who contributed data to this study are listed at the end of this article.