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Volume 18, Number 5—May 2012
Dispatch

Emergency Department Visits for Influenza A(H1N1)pdm09, Davidson County, Tennessee, USA

Wesley H. Self, Carlos G. Grijalva, Yuwei Zhu, H. Keipp Talbot, Astride Jules, Kyle E. Widmer, Kathryn M. Edwards, John V. Williams, David K. Shay, and Marie R. GriffinComments to Author 
Author affiliations: Vanderbilt University, Nashville, Tennessee, USA (W.H. Self, C.G. Grijalva, Y. Zhu, H.K. Talbot, A. Jules, K.E. Widmer, K.M. Edwards, J.V. Williams, M.R. Griffin); Veterans Affairs Tennessee Valley Health Care System, Nashville (W.H. Self, M.R. Griffin); Centers for Disease Control and Prevention, Atlanta, Georgia, USA (D.K. Shay)

Main Article

Table 2

Estimated emergency department visits for influenza A(H1N1)pdm09, Davidson County, Tennessee, USA, May 1, 2009–March 31, 2010*

Patient age, y County population No. visits/1,000 population (95% CI)
Surveillance sampling estimates Capture–recapture estimates
<5 47,446 26.3 (15.2–42.7) 19.3 (11.0–38.3)
5–17 93,710 16.3 (8.90–27.9) 22.0 (12.0–46.5)
18–49 318,006 10.9 (7.48–17.2) 9.08 (5.67–22.6)
>50 176,548 2.85 (1.05–7.77) 3.60 (NC)
Total 635,710 10.6 (6.48–18.0) 10.2 (NC)

*NC, not calculated because of no matched cases in patients >50 years of age.

Main Article

Page created: April 05, 2012
Page updated: April 05, 2012
Page reviewed: April 05, 2012
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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