Table 1 Selected characteristics of subjects.
From: Mammographic density, blood telomere length and lipid peroxidation
All Women (n = 342) | Premenopausal (n = 173) | Postmenopausal (n = 169) | p valuea | |
|---|---|---|---|---|
Age (years) | 50.4 (7.2) | 44.8 (4.7) | 56.0 (4.4) | <0.0001 |
Weight (kg) | 68.5 (16.4) | 66.9 (15.6) | 70.1 (17.0) | 0.07 |
BMI (kg/m2) | 25.6 (5.9) | 25.1 (5.7) | 26.0 (6.1) | 0.12 |
Waist (cm) | 73.5 (13.9) | 71.6 (13.2) | 75.4 (14.3) | 0.01 |
Parous (%) | 72.5 | 70.5 | 74.6 | 0.40 |
Family History of breast cancer (%)b | 22.5 | 23.7 | 21.3 | 0.60 |
Current Smoking (%) | 12.6 | 14.5 | 10.7 | 0.29 |
Percent Mammographic Density (%) | 40.2 (25.3) | 43.7 (25.7) | 36.6 (24.5) | 0.01 |
Dense Area (cm2) | 46.2 (32.6) | 48.7 (31.4) | 43.5 (33.6) | 0.14 |
Non Dense Area (cm2- log) | 4.19 (0.83) | 4.08 (0.84) | 4.30 (0.82) | 0.02 |
Relative Telomere Length | 1.03 (0.20) | 1.10 (0.21) | 0.97 (0.18) | <0.0001 |
Urinary MDA (umol/l – log) | 7.96 (0.48) | 7.85 (0.51) | 8.07 (0.43) | <0.0001 |
