Roberta J. Ambuehl

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The authors describe a research group that supports the needs of investigators seeking data from an electronic medical record system. Since its creation in 1972, the Regenstrief Medical Records System has captured and stored more than 350 million discrete coded observations on two million patients. This repository has become a central data source for(More)
RATIONALE, AIMS AND OBJECTIVES Evidence suggests that educational outreach ('academic detailing') improves evidence-based prescribing. We evaluated the impact of an academic detailing programme intended to increase new statin prescriptions. METHODS In a 2 x 2 factorial design we evaluated the effect of an academic detailing programme with/without(More)
STUDY OBJECTIVE To determine whether patients prescribed inhaled corticosteroids are at risk for adverse gastrointestinal effects. DESIGN Retrospective cohort study. SETTING Urban health center with an academic affiliation. PATIENTS A total of 19,443 adults (mean age 31.8 yrs) with airways disease, defined as a diagnosis of asthma or chronic(More)
OBJECTIVES The population of older patients with schizophrenia is increasing. This study describes health outcomes, utilization, and costs over 10 years in a sample of older patients with schizophrenia compared with older patients without schizophrenia. METHODS An observational cohort study of 31,588 older adults (mean age: 70.44 years) receiving care(More)
BACKGROUND To prevent congenital syphilis, the Centers for Disease Control and Prevention and professional organizations recommend universal prenatal syphilis screening. State-level or larger-scale evaluations of adherence to these guidelines have relied on administrative data. We measured prenatal syphilis screening rates in Indiana women with prenatal(More)
OBJECTIVE The aim of the study is to assess the relationship between body mass index (BMI) class and Medicare claims among young-old (65-69), old (70-74), and old-old (75+) adults over a 10-year period. METHOD We assessed costs by BMI class and age group among 9,300 respondents to the 1998 Health and Retirement Study (HRS) with linked 1998-2008 Medicare(More)
BACKGROUND Patterns of healthcare encounters by patients in each stage of chronic kidney disease (CKD) have not been fully described. OBJECTIVE This study describes patterns of healthcare resource use by patients with CKD. DESIGN A retrospective descriptive design was used. PARTICIPANTS Patients with Stages 1-5 CKD were identified in five existing(More)
INTRODUCTION High blood glucose levels may be responsible for the increased risk for dementia in diabetic patients. METHODS A secondary data analysis merging electronic medical records (EMRs) with data collected from the Indianapolis-Ibadan Dementia project (IIDP). Of the enrolled 4105 African Americans, 3778 were identified in the EMR. Study endpoints(More)
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