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. 2018 Jan 12;67(1):18–22. doi: 10.15585/mmwr.mm6701a4

FIGURE 1.

The figure above is a diagram showing the selection of a study sample of U.S. women with pregnancies in 2014 who had sufficient enrollment in a plan with prescription drug coverage and had an outpatient claim for at least one urinary tract infection diagnosis, based on 2013–2015 data from the Truven Health MarketScan Commercial Database.

Selection of study sample of women with pregnancies in 2014 who had sufficient enrollment in a plan with prescription drug coverage* and had an outpatient claim for at least one urinary tract infection (UTI) diagnosis† — Truven Health MarketScan Commercial Database, United States, 2013–2015

Abbreviation: LMP = date of last menstrual period.

* Sufficient enrollment was defined as continuous enrollment from 3 months before date of LMP through the end of pregnancy or missing only 1 month during that period. All others were considered to have insufficient enrollment.

† UTIs were defined as presence of an International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9 CM) diagnosis code of UTI (599.0) or acute cystitis (595.0 or 595.9) on at least one outpatient claim.