Additional file 8: of Impact of type of full-field digital image on mammographic density assessment and breast cancer risk estimation: a case-control study BusanaMarta EngAmanda DenholmRachel DowsettMitch VinnicombeSarah AllenSteve dos-Santos-SilvaIsabel 2016 Mutually-adjusted associations of known determinants of mammographic density with absolute density readings in control women. BMI body mass index, HT hormonal therapy, OC oral contraceptives, P-value P for linear trend, No. SDs number of standard deviations (on the transformed scale). (PDF 63 kb)