Table 3.

Association of CYP11A(TAAAA)n polymorphism with breast cancer risk, the Shanghai Breast Cancer Study

CYP11A genotypesCases
Controls
OR (95% CI)*
No.%No.%
4 repeat/4 repeat575.62746.841.0 (reference)
4 repeat/6 repeat30229.7532530.041.3 (0.9–1.8)
6 repeat/6 repeat40339.7048144.451.1 (0.8–1.7)
8 repeat/any23523.1517516.171.8 (1.2–2.7)
    8 repeat/4 repeat565.52454.161.6 (1.0–2.8)
    8 repeat/6 repeat15615.3712011.091.8 (1.2–2.7)
    8 repeat/8 repeat201.9780.743.4 (1.4–8.4)
    8 repeat/others30.3020.181.9 (0.3–11.7)
Others181.77272.501.0 (0.5–1.9)
Presence of 8 the repeat allele
    No78076.8590783.831.0 (reference)
    Yes23523.1517516.171.6 (1.3–1.9)
    One copy21521.1816715.431.5 (1.2–1.9)
    Two copies201.9780.742.9 (1.3–6.7)
    Trend testP < 0.0001
  • * Adjusted for age and education.