Table 2 Means of mammographic measures in cases and controls according to menopausal statusa
From: Mammographic density and the risk of breast cancer in Japanese women
Premenopausal women | Postmenopausal women | |||
|---|---|---|---|---|
Variables | Cases | Controls | Cases | Controls |
Percent density (%) | 45.3 (39.3–51.3) | 38.2 (35.2–41.2) | 18.2 (13.3–23.2) | 16.2 (13.8–18.7) |
Dense area (cm2) | 27.9 (22.6–33.8) | 18.9 (16.7–21.3) | 8.6 (5.2–12.9) | 5.8 (4.6–7.2) |
Total breast area (cm2) | 71.7 (65.7–77.9) | 68.3 (65.6–71.1) | 95.5 (88.7–102.6) | 76.6 (73.3–80.0) |
