To Rule Out Confounding, Observational Studies of Influenza Vaccine Need to Include Analyses During the “Preinfluenza Period”
- 23 July 2007
- journal article
- Published by American Medical Association (AMA) in Archives of internal medicine (1960)
- Vol. 167 (14) , 1553-1554
- https://doi.org/10.1001/archinte.167.14.1553-b
Abstract
In their study of adults (primarily older adults) hospitalized for pneumonia during influenza season, Spaude and colleagues found that prior receipt of influenzThis publication has 3 references indexed in Scilit:
- Influenza Vaccination and Risk of Mortality Among Adults Hospitalized With Community-Acquired PneumoniaArchives of internal medicine (1960), 2007
- Functional status is a confounder of the association of influenza vaccine and risk of all cause mortality in seniorsInternational Journal of Epidemiology, 2005
- Evidence of bias in estimates of influenza vaccine effectiveness in seniorsInternational Journal of Epidemiology, 2005