Table 1

Characteristics of pregnant womena and pregnant womena with a diagnostic code for CMV, MarketScan 2009
Characteristic Pregnant womena Pregnant womena with an ICD-9-CM diagnostic code for CMV disease
# % # %
Age Group (years)
    15-19 2,955 3.8% 0 0.0%
    20-29 30,819 39.6% 4 33.3%
    30-39 40,815 52.5% 8 66.7%
    40-44 3,184 4.1% 0 0.0%
Urban Residence
    No 10,592 13.6% 2 16.7%
    Yes 67,181 86.4% 10 83.3%
Regionb
    Northeast 9,674 12.5% 1 8.3%
    North Central 21,206 27.3% 3 25.0%
    South 34,781 44.8% 5 41.7%
    West 11,970 15.4% 3 25.0%
Diagnostic Code for Infectious Mononucleosisc
    No 77,729 99.9% 12 100.0%
    Yes 44 0.1% 0 0.0%

Note: CMV, cytomegalovirus; ICD-9-CM, International Classification of Diseases-9th revision, Clinical Modification.

aPregnant women defined as female enrollees who were 1) aged 15–44 years, 2) enrolled for the entire year in 2009, and 3) had a delivery code (defined in Appendix) between October-December 2009.

bExcludes those pregnant women with other or unknown information on region.

cA diagnosis of mononucleosis was defined by an ICD-9-CM code for infectious mononucleosis (ICD-9-CM 075).

Leung et al.

Leung et al. BMC Infectious Diseases 2012 12:334   doi:10.1186/1471-2334-12-334

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