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Volume 12, Number 7—July 2006
Dispatch

Smallpox during Pregnancy and Maternal Outcomes

Hiroshi Nishiura*†Comments to Author 
Author affiliation: *University of Tübingen, Tübingen, Germany; †Hiroshima University, Hiroshima, Japan

Main Article

Table A4

Comparison of the frequency of deaths stratified by vaccination history, according to data from 19th- and early 20th-century outbreaks

Reference Unvaccinated
Vaccinated


Cases Deaths Cases Deaths p value* OR (95% CI)†
Welch (10), 1878 7 7 39 7 <0.01 NC
van der Willigen (3), 1893–1894 2 2 78 10 0.02 NC
Rao (6), 1959–1962 12 9 82 17 <0.01 11.5 (2.8–47.1)

*2-sided.
†OR, odds ratio; CI, confidence interval; NC, not calculable.

Main Article

Page created: December 16, 2011
Page updated: December 16, 2011
Page reviewed: December 16, 2011
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