Skip directly to search Skip directly to A to Z list Skip directly to site content
CDC Home

Volume 14, Number 6—June 2008

Research

Validation of Syndromic Surveillance for Respiratory Pathogen Activity

Cees van den Wijngaard*Comments to Author , Liselotte van Asten*, Wilfrid van Pelt*, Nico J.D. Nagelkerke†, Robert Verheij‡, Albert J. de Neeling*, Arnold Dekkers*, Marianne A.B. van der Sande*, Hans van Vliet*, and Marion P.G. Koopmans*
Author affiliations: *National Institute for Public Health and the Environment, Bilthoven, the Netherlands; †United Arab Emirates University, Al-Ain, United Arab Emirates; ‡Netherlands Institute of Health Services Research, Utrecht, the Netherlands;

Main Article

Table 5

Syndrome variation that can be explained by either the pathogen counts, 
seasonal terms, or pathogen counts and seasonal terms together*

Syndrome data Pathogens, % Pathogens and seasonal terms, % Seasonal terms, %
Absenteeism 68 80 79
GP 86 89 75
Pharmacy 80 87 77
Hospitalization 84 88 75
Laboratory submissions 61 63 53
Mortality 78 78 52

*Estimated by 3 different R2 values for each registry: 1) for the syndromes explained by pathogen counts alone; 2) after adding seasonal terms to the pathogen model; and 3) for the syndromes explained by seasonal terms alone (sine and cosine parameters). GP, general practice.

Main Article

Top of Page

USA.gov: The U.S. Government's Official Web PortalDepartment of Health and Human Services
Centers for Disease Control and Prevention   1600 Clifton Rd. Atlanta, GA 30333, USA
800-CDC-INFO (800-232-4636) TTY: (888) 232-6348 - Contact CDC–INFO