Variation in false-positive rates of mammography reading among 1067 radiologists: a population-based assessment.

Variation in false-positive rates of mammography reading among 1067 radiologists: a population-based assessment. Research Abstract Details 

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Variation in false-positive rates of mammography reading among 1067 radiologists: a population-based assessment. Abstract Text:

Alai Tan,Daniel H Freeman,James S Goodwin,Jean L Freeman,

BACKGROUND: The accuracy of mammography reading varies among radiologists. We conducted a population-based assessment on radiologist variation in false- positive rates of screening mammography and its associated radiologist characteristics. METHODS: About 27,394 screening mammograms interpreted by 1067 radiologists were identified from a 5% non-cancer sample of Medicare claims during 1998-1999. The data were linked to the American Medical Association Masterfile to obtain radiologist characteristics. Multilevel logistic regression models were used to examine the radiologist variation in false-positive rates of screening mammography and the associated radiologist characteristics. RESULTS: Radiologists varied substantially in the false-positive rates of screening mammography (ranging from 1.5 to 24.1%, adjusting for patient characteristics). A longer time period since graduation is associated with lower false-positive rates (odds ratio [OR] for every 10 years increase: 0.87, 95% Confidence Interval [CI], 0.81-0.94) and female radiologists had higher false-positive rates than male radiologists (OR = 1.25, 95% CI, 1.05-1.49), adjusting for patient and other radiologist characteristics. The unmeasured factors contributed to about 90% of the between-radiologist variance. CONCLUSIONS: Radiologists varied greatly in accuracy of mammography reading. Female and more recently trained radiologists had higher false-positive rates. The variation among radiologists was largely due to unmeasured factors, especially unmeasured radiologist factors. If our results are confirmed in further studies, they suggest that system-level interventions would be required to reduce variation in mammography interpretation.

Variation in false-positive rates of mammography reading among 1067 radiologists: a population-based assessment. Publishing Authors By Initials

A Tan,DH Freeman,JS Goodwin,JL Freeman,

For similar geographic locations: americas: north america: united states research abstracts see: geographic locations: americas: north america: united states research

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Variation in false-positive rates of mammography reading among 1067 radiologists: a population-based assessment. Journal Published:

PUBLICATION TYPE: Research Support, N.I.H., Extr

Journal: Breast cancer research and treatment

VOLUME: 100

Page Numbers: 309-18

Journal Abbreviation: Breast Cancer Res. Treat.

ISSN: 0167-6806

DAY: 4

MONTH: 07

YEAR: 2006

Variation in false-positive rates of mammography reading among 1067 radiologists: a population-based assessment. Information

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LANGUAGE: eng

NlmUniqueID: 8111104

Variation in false-positive rates of mammography reading among 1067 radiologists: a population-based assessment. Keywords Mesh Terms:

KEYWORDS: United States

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Grant and Affiliation Information for Variation in false-positive rates of mammography reading among 1067 radiologists: a population-based assessment.

AFFILIATION: Department of Preventive Medicine and Community Health, Office of Epidemiology and Biostatistics, University of Texas Medical Branch, 301 University Boulevard, Galveston, Texas 77555-1148, USA. altan@utmb.edu

Country: Netherlands

AGENCY: United States AHRQ

GRANT: R24HS011618

ACRONYM: HS

MEDLINETA: Breast Cancer Res Treat

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