Prediction of Incomplete Screening Mammograms Based on Age and Race

the Department of Obstetrics, Gynecology and Women's Health
The Journal of the American Board of Family Medicine (Impact Factor: 1.98). 01/2012; 25(1):128-30. DOI: 10.3122/jabfm.2012.01.110107
Source: PubMed


This study examined the age-associated rate of incomplete mammograms requiring additional testing based on Breast Imaging-Reporting and Data System (BIRADS) score.
A retrospective, observational study design from a tertiary medical center was used to evaluate which explanatory variables significantly predicted whether a woman had an incomplete mammogram. An incomplete mammogram was defined as a BIRADS score of 0 (requiring further imaging), whereas a benign process was defined as a BIRADS score of 1 or 2. Explanatory variables included traditional clinical factors (age, race, and menopausal state).
During the study period, 20,269 subjects were evaluated. The majority of the patients were white (n = 12,955; 64.6%) and had a BIRADS score consistent with a benign finding (n = 17,571; 86.6%). Premenopausal state (odds ratio [OR], 1.38; 95% CI, 1.27-1.50), white race (OR, 1.18; 95% CI, 1.08-1.29), and younger age (OR, 1.38; 95% CI, 1.27-1.50) significantly increased the odds a woman had an incomplete study.
In this cross-sectional, single-institution analysis, premenopausal state and white race are associated with an increased rate for incomplete mammograms. Patients should be counseled appropriately before the initiation of screening.

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    • "Women without a recent mammogram, White women, and those without a primary care physician were more likely to have a BIRAD 0 (incomplete) mammogram requiring follow up. The reasons for these associations were not evaluated by this study; however previous reports indicate an association of race and prediction of incomplete screening mammography [18]. In addition, in as much as past films are reviewed to aid in the disposition of mammography findings- views beyond initial screening may be required in those women for whom no prior screening history exists or is available- this may explain the association of screening recency and BIRAD 0 results in this study. "
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