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Annals of Family Medicine 6:528-533 (2008)
© 2008 Annals of Family Medicine, Inc.
doi: 10.1370/afm.905
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Characterizing Breast Symptoms in Family Practice

Margaret M. Eberl, MD, MPH1,4, Robert L. Phillips, Jr, MD, MSPH2, Henk Lamberts, MD, PhD3, Inge Okkes, PhD3 and Martin C. Mahoney, MD, PhD1,4

1 Department of Family Medicine, University at Buffalo, New York
2 The Robert Graham Center, Washington, DC
3 The University of Amsterdam, The Netherlands
4 Division of Cancer Prevention and Population Sciences, Roswell Park Cancer Institute, Buffalo, New York

CORRESPONDING AUTHOR: Margaret M. Eberl, MD, MPH, Roswell Park Cancer Institute, Elm and Carlton Streets, Buffalo, NY 14263, Margaret.Eberl{at}lifetimehealth.org

PURPOSE The frequency and outcome of breast symptoms have not been well characterized in primary care settings. To enhance and inform physician practice, this study aims to establish the proportion of visits and resultant diagnoses by age by examining longitudinal data on breast-related reasons for encounter.

METHODS We used data from a prospective longitudinal sample of patients seeking care in Dutch family physician offices between 1985 and 2003 to provide routine family practice data on breast symptoms as the reason for encounter; all visits were coded using the International Classification of Primary Care. Data on breast symptom prevalence are based upon 84,285 active female patients and 367,834 total encounters.

RESULTS Overall breast symptoms were reported in about 3% of all visits by female patients (29.7 per 1,000 active female patients per year); breast pain and breast mass were the most common breast-related complaints. Breast symptom complaints were highest among women aged 25 to 44 years (48 of 1,000) and among women aged 65 years and older (33 per 1,000). Of the women complaining of breast symptoms, 81 (3.2%) had breast cancer diagnosed. Breast mass had a markedly elevated positive likelihood ratio for breast cancer (15.04; 95% confidence interval, 11.74–19.28).

CONCLUSIONS As expected, of patients with breast symptoms only a small subset was subsequently given a diagnosis of breast cancer (3.2%); however, the presence of a breast mass was associated with an elevated likelihood of breast cancer. These data illustrate the use of systematic data collection and classification from primary care offices to extract information regarding disease symptoms and diagnoses.

Key Words: Breast symptoms • breast diseases/diagnosis, primary care • data collection • referral and consultation/utilization • family practice




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