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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 2

Pearson correlation coefficients between time series of syndromes and laboratory pathogen counts, the Netherlands, 1999–2004*†

Pathogen Hospital GP Mortality Pharmacy Laboratory submissions Absenteeism
RSV 0.74 0.67 0.41 0.58 0.53 0.47
Influenza A 0.57 0.61 0.65 0.60 0.47 0.35
Influenza B 0.31 0.39 0.50 0.42 0.34 0.33
Streptococcus pneumoniae 0.73 0.71 0.56 0.75 0.58 0.69
Rhinovirus 0.33 0.34 0.33 0.33 NS 0.35
Parainfluenza 0.20 NS NS NS 0.25 NS
Adenovirus 0.37 0.35 0.33 0.36 NS 0.34
Enterovirus −0.65 −0.66 −0.59 −0.61 −0.57 −0.51
Mycoplasma pneumoniae 0.13 0.27 0.25 0.39 0.32 0.26
Bordetella pertussis NS NS NS NS NS NS

*GP, general practice; RSV, respiratory syncytial virus; NS, nonsignificant. Correlations >0.50 in boldface; p>0.05.
†Unlagged.

Main Article

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