Table 1.
Risk Factor | Overall n (%) | Median (range) |
---|---|---|
Age (y) | 52 (48‐63) | |
Race | ||
Malay | 61 (57) | |
Chinese | 32 (30) | |
Indian | 13 (12) | |
Others | 1 (1) | |
BMI (kg/m2) | 26.4 (23.0‐29.4) | |
<18.5 | 7 (6.5) | |
18.5‐24.9 | 37 (34.6) | |
25.0‐29.9 | 38 (35.5) | |
≥30.0 | 25 (23.4) | |
Menopausal status | ||
Premenopausal | 48 (44.9) | |
Postmenopausal | 59 (55.1) | |
Family history of breast cancer | ||
No | 91 (85) | |
Yes | 16 (15) | |
Use of OCP/HRT | ||
No | 94 (87.9) | |
Yes | 13 (12.1) | |
Age at menarche | 13 (12‐15) | |
<12 | 4 (3.7) | |
≥12 | 103 (96.3) | |
Parity | 3 (2‐4) | |
Nulliparous | 9 (8.4) | |
1‐2 | 40 (37.4) | |
≥3 | 58 (54.2) | |
Breast density (BI‐RADS) | ||
A – almost entirely fatty | 12 (11.2) | |
B – scattered fibroglandular density | 24 (22.4) | |
C – dense (heterogeneously and extremely) | 71 (66.4) | |
Total | 107 (100) |
Abbreviations: HRT, harmonal replacement therapy; OCP, oral contraceptive pill.