The population-based burden of influenza-associated hospitalization in rural western Kenya, 2007–2009
Daniel R Feikin, Maurice O Ope, Barrack Aura, James A Fuller, Stella Gikunju, John Vulule, Zipporah Ng’ang’a, M Kariuki Njenga, Robert F Breiman & Mark Katz
Volume 90, Number 4, April 2012, 256-263A
Table 3. Patients hospitalized for respiratory illness and laboratory-confirmed influenza, by age and type of influenza virus, Bondo district, Kenya, June 2007–May 2009
| Characteristic | No. (%) of patients hospitalized with: |
||
|---|---|---|---|
| Respiratory illness (n = 3 924) | Influenza, A virus (n = 177) | Influenza, B virus (n = 28) | |
| Female | 2132 (54.3) | 105 (59.3a) | 19 (67.9)b |
| Age (years) | |||
| < 5 | 2301 (58.6) | 81 (45.8)a | 3 (10.7)b |
| 5–19 | 529 (13.5) | 27 (15.3)a | 5 (17.9)b |
| 20–34 | 499 (12.7) | 37 (20.9)a | 10 (35.7)b |
| 35–49 | 317 (8.1) | 20 (11.3)a | 5 (17.9)b |
| ≥ 50 | 278 (7.1) | 12 (6.8)a | 5 (17.9)b |
a The denominator for this percentage is all hospitalized patients with influenza A virus.
b The denominator for this percentage is all hospitalized patients with influenza B virus.