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. 2014 Aug 26;16:417. doi: 10.1186/s13058-014-0417-7

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© Boyd et al.; licensee BioMed Central 2014

This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Screen-detected and interval breast cancers according to tertiles of percent density, dense and non-dense area. Tertiles of percent density: Low (0 to 20); Middle (20 to 41); High (41 to 84). Tertiles of dense area: Low (0 to 24); Middle (24 to 43); High (43 to 176). Tertiles of non-dense area: Low (8 to 61); Middle (61 to 112); High (112 to 344). ^aUnadjusted; ^badjusted for age and BMI; ^cmutually adjusted (dense and non-dense area) and adjusted for age and BMI. OR: odds ratio.