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Screening Mammogram Recall Rates Vary by Practice Site

Radiologists have higher recall rates at academic hospitals versus community office sites
THURSDAY, July 25 (HealthDay News) -- Patient population factors likely contribute to higher mammogram recall rates at an academic hospital site versus a community office practice employing the same radiologists, according to a study published in online July 24 in Radiology.
Jason Rothschild, M.D., from Brown University in Providence, R.I., and colleagues retrospectively reviewed mammography audit data. Mammography was performed between May 1, 2008, and Sept. 1, 2011, and interpreted by five radiologists at a community office practice and an academic referral hospital. Full-field digital mammography and batch screening interpretation were used at both sites.
The researchers found that, at the two sites, radiologists interpreted 74,297 mammograms with an overall mean recall rate of 7.8 percent. The community site had an overall recall rate that was significantly lower than at the hospital site (6.9 versus 8.6 percent). Each radiologist had recall rates that were significantly lower at the community site. At the hospital site, a significantly higher proportion of patients had a history of surgery (13.4 versus 5.6 percent) and biopsy (7.0 versus 1.4 percent); however, the sites did not differ in the percentage of patients with dense breasts or availability of prior mammograms. The hospital site also had a significantly lower mean patient age (56.1 versus 62.9 years).
"Recall rates were higher at the hospital site, probably primarily caused by patient population factors," the authors write.
Abstract (http://radiology.rsna.org/content/early/2013/06/27/radiol.13121487.abstract )Full Text (subscription or payment may be required) (http://radiology.rsna.org/content/early/2013/06/27/radiol.13121487.full )
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