Standard analytical files are generated to capture medical services rendered and patient diagnoses, and enrollment files help to ascertain coverage eligibility.
Future research examining the completeness of these records relative to Medicare claims and enrollment files will hopefully reveal greater correspondence and completeness with relatively little inter-state or facility variation.
The sampling frame was defined as age-eligible girls in Kaiser Permanente membership files at enrollment and birth in San Francisco Bay Area clinics, and at selected schools in the greater Cincinnati area (Biro et al. 2010, 2013).
Deaths were captured from the Medicare demographic and enrollment file.
Tobacco users who consecutively enrolled in the quitline program between July and September 2011 were identified using health plan enrollment files and quitline intake data.
Patients who died during the study period were identified using status codes in the Medicare enrollment files and a published death proxy algorithm in the Commercial population.
The participants were identified using Medicaid enrollment files and health care claims data from Calendar Year 2011, provided through a data use agreement with the Texas Health and Human Services Commission.
These data were merged with data from the following USRDS files: the Medical Evidence Report Form, the Medicare Enrollment files, and the standard analytic files, which contain final action Medicare claims [ 20].
The denominator file contains information on beneficiaries' eligibility and enrollment in Medicare and the date of death was cross-referenced with the Social Security Administration's Master Beneficiary Record [ 46].
Data files provided include medical claims, pharmacy claims, and enrollment information.
