Document Detail

Population Colorectal Cancer Screening Estimates: Comparing Self-Report to Electronic Health Record Data in California.
MedLine Citation:
PMID:  21857818     Owner:  NLM     Status:  Publisher    
INTRODUCTION: Population-based surveys are used to assess colorectal cancer (CRC) screening rates, but may be subject to self-report biases. Clinical data from electronic health records (EHR) are another data source for assessing screening rates and self-report bias; however, use of EHR data for population research is relatively new. We sought to compare CRC screening rates from a self-report survey, the 2007 California Health Interview Survey (CHIS), to EHR data from Palo Alto Medical Foundation (PAMF), a multi-specialty healthcare organization serving three counties in California. METHODS: Ever- and up-to-date CRC screening rates were compared between CHIS respondents (N=18,748) and PAMF patients (N=26,283). Both samples were limited to English proficient subjects aged 51-75 with health insurance and a physician visit in the past two years. PAMF rates were age-sex standardized to the CHIS population. Analyses were stratified by racial/ethnic group. RESULTS: EHR data included PAMF internally completed tests (84%), and patient-reported externally completed tests which were either confirmed (7%) or unconfirmed (9%) by a physician. When excluding unconfirmed tests, PAMF screening rates were 6-14 percentage points lower than CHIS rates, for both ever- and up-to-date CRC screening among Non-Hispanic White, Black, Hispanic/Latino, Chinese, Filipino and Japanese subjects. When including unconfirmed tests, differences in screening rates between the two data sets were minimal. CONCLUSION: Comparability of CRC screening rates from survey data and clinic-based EHR data depends on whether or not unconfirmed patient-reported tests in EHR are included. This indicates a need for validated methods of calculating CRC screening rates in EHR data.
Latha P Palaniappan; Annette E Maxwell; Catherine M Crespi; Eric C Wong; Jessica Shin; Elsie J Wang
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Publication Detail:
Journal Detail:
Title:  International journal of cancer prevention     Volume:  4     ISSN:  1554-1134     ISO Abbreviation:  -     Publication Date:  2011  
Date Detail:
Created Date:  2011-8-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101229785     Medline TA:  Int J Canc Prev     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Palo Alto Medical Foundation Research Institute, Palo Alto, CA.
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Grant Support
P30 CA016042-33//NCI NIH HHS

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