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Volume 15, Number 10—October 2009

Dispatch

Excess Deaths and Immunoprotection during 1918–1920 Influenza Pandemic, Taiwan

Ying-Hen HsiehComments to Author 
Author affiliation: China Medical University, Taichung, Taiwan

Main Article

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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