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Volume 16, Number 2—February 2010

Dispatch

Pandemic (H1N1) 2009 Cases, Buenos Aires, Argentina

Marcela EchavarríaComments to Author , Marcia Querci, Débora Marcone, Cristina Videla, Alfredo Martínez, Pablo Bonvehi, and Guadalupe Carballal
Author affiliations: Centro de Educación Médica e Investigaciones Clínicas (CEMIC) University Hospital, Buenos Aires, Argentina

Main Article

Table 1

Case-patients with pandemic (H1N1) 2009, by age group, CEMIC University Hospital, Buenos Aires, Argentina, June 11–30, 2009

Case-patient age, y No. (%) case-patients tested Total case-patients*
Hospitalized case-patients
No. (%)† 95% CI‡ p value No. (%)§ 95% CI‡ p value
<5 63 (12) 37 (59) 45.6–71.0 0.019 19 (51) 34.4–68.0 0.352
5–18 44 (9) 19 (43) 28.3–59.0 0.631 3 (16)) 3.4–39.6 0.250
19–59 338 (66) 194 (57) 51.9–62.7 0.003 47 (24) 18.4–30.9 0.304
>60¶
68 (13)
25 (37)
25.4–49.3


9 (36)
17.9–57.4

Total 513 (100) 275 (54) 49.2–58.0 78 (28) 23.1–34.1

*Patients with subtype H1N1 infection confirmed by real-time reverse transcription–PCR.
†Percent of all patients tested.
‡CI, confidence interval.
§Percent of all patients with influenza virus subtype H1N1 infection.
¶Reference group.

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