From: Identification of two novel mammographic density loci at 6Q25.1
Study | Number | Mammogram | Measure | Age (years) | BMI (kg/m2) | Post-menopause | Percent density (%)a | Absolute densea | Absolute nondensea |
---|---|---|---|---|---|---|---|---|---|
 |  |  |  | Mean (SD) | Mean (SD) | Percent (N) | Median (IQR) | Median (IQR) | Median (IQR) |
KARMA | 4025 | Raw digital | Volpara | 53.6 (9.4) | 25.3 (4.2) | 51.0 (2,054) | 8.4 (6.5) | 60.4 (36.8) | 677 (581) |
SASBAC | 1589 | Digitized screen-film | Cumulus | 62.4 (6.4) | 25.6 (3.8) | 100 (1,589) | 11.8 (17.7) | 18.1 (26.2) | 140 (76) |
LIBRO-1 | 2805 | Digitized screen-film | ImageJ | 58.4 (8.8) | 25.3 (4.0) | 76.1 (2,134) | 30.0 (21.6) | 30.6 (21.5) | 71 (30) |