Volume 15, Number 10—October 2009
Dispatch
Excess Deaths and Immunoprotection during 1918–1920 Influenza Pandemic, Taiwan
Ying-Hen Hsieh
Table 2
All-cause deaths for Taiwanese persons during 1916–1922, by age group, and excess percentages of age-specific deaths for 1918 and 1920*
| Year | Total no. deaths | Age group, y |
|||||||
|---|---|---|---|---|---|---|---|---|---|
| 10–19 |
20–29 |
30–39 |
|||||||
| No. (%) deaths | Excess % deaths (95% CI) | No. (%) deaths | Excess % deaths (95% CI) | No. (%) deaths | Excess % deaths (95% CI) | ||||
| 1918 | 124,677 | 5,836 (4.68) | 0.19 (0–0.48)‡ | 11,028 (8.85) | 1.88† (1.1–2.67) | 14,804 (11.87) | 2.78† (0.02–5.54) | ||
| 1920 | 119,477 | 6,888 (5.77) | 1.27† (0.09–0.56) | 10,579 (8.85) | 1.89† (1.11–2.68) | 12,305 (10.30) | 1.20 (0–3.96)‡ | ||
*CI, confidence interval.
†The excess percentages for these age groups are statistically significant.
‡Max (0, lower bound).
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