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Volume 21, Number 9—September 2015
THEME ISSUE
Emerging Infections Program

Emerging Infections Program

Incidence of Clinician-Diagnosed Lyme Disease, United States, 2005–2010

Christina A. NelsonComments to Author , Shubhayu Saha, Kiersten J. Kugeler, Mark J. Delorey, Manjunath B. Shankar, Alison Hinckley, and Paul S. Mead
Author affiliations: Centers for Disease Control and Prevention, Fort Collins, Colorado, USA (C.A. Nelson, K.J. Kugeler, M.J. Delorey, A.F. Hinckley, P.S. Mead); Centers for Disease Control and Prevention, Atlanta, Georgia, USA (S. Saha, M.B. Shankar)

Main Article

Figure 1

Study population and number of patients with clinician-diagnosed Lyme disease in the MarketScan database, United States, 2005–2010. *Persons not enrolled for the full 12 months of any year and who did not have prescription data were removed from both the numerator and denominator for rate calculations. Therefore, removal of these persons did not substantially affect rate calculations and the final estimated number of cases. †One repeat inpatient was excluded (admitted in a subsequent year but &l

Figure 1. Study population and number of patients with clinician-diagnosed Lyme disease in the MarketScan database, United States, 2005–2010. *Persons not enrolled for the full 12 months of any year and who did not have prescription data were removed from both the numerator and denominator for rate calculations. Therefore, removal of these persons did not substantially affect rate calculations and the final estimated number of cases. †One repeat inpatient was excluded (admitted in a subsequent year but <365 days after initial admission). No repeat admissions occurred >365 days after initial admission. ‡A total of 2,945 repeat outpatients (seen in a subsequent year but <365 days after previous year’s visit) were excluded (Technical Appendix). ICD–9, International Classification of Diseases, Ninth Revision.

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