Volume 12, Number 1—January 2006
Research
Influenza-associated Deaths in Tropical Singapore
Table 5
Estimated influenza-associated excess deaths in Singapore, 1996–2003
Mortality outcome/age group (y) | Deaths (%) associated with influenza (95% CI)* | No. excess deaths per year (95% CI) | Excess mortality rate/100,000 person-years (95% CI) |
---|---|---|---|
All-cause deaths | |||
All ages | 3.8 (2.5–5.0) | 588 (396–782) | 14.8 (9.8–19.8) |
>65 | 4.2 (2.7–5.6) | 421 (273–571) | 167.8 (107.0–229.5) |
20–64 | 2.3 (0.9–3.7) | 114 (42–186) | 4.2 (1.6–6.8) |
Underlying pneumonia and influenza deaths | |||
All ages | 6.5 (2.2–10.5) | 116 (40–196) | 2.9 (1.0–5.0) |
>65 | 7.7 (3.5–11.7) | 118 (50–189) | 46.9 (20.3–74.6) |
20–64 | 9.6 (3.0–15.7) | 23 (7–39) | 0.8 (0.2–1.4) |
Underlying circulatory and respiratory deaths | |||
All ages | 5.8 (4.0–7.5) | 475 (324–629) | 11.9 (8.3–15.7) |
>65 | 6.2 (4.4–8.1) | 390 (270–512) | 155.4 (108.8–203.0) |
20–64 | 4.6 (2.5–6.7) | 88 (47–131) | 3.2 (1.7–4.8) |
*CI, confidence interval.