Volume 16, Number 2—February 2010
Dispatch
Pandemic (H1N1) 2009 Cases, Buenos Aires, Argentina
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.


