Figure 1

Flowchart detailing the recruitment of study participants.^aImages from both breasts in controls, and from the unaffected contralateral breast only for cases. ^bPercentage of women with missing readings. AD, absolute area or volume of dense tissue; AND, absolute area or volume of non-dense tissue; BS, breast size (area or volume); BC, breast cancer; FA, fully-automated method; OCa, ovarian cancer; PD, percent density; SA, semi-automated method; VA, visual assessment.