Table 2.

Interaction between PGR polymorphism +331G/A and risk factors for endometrial cancer: odds ratio (95% confidence interval) for endometrial cancer risk

Noncarriers of +331A alleleCarriers of +331A allelePinteraction
BMI < 251.001.33 (0.46-3.90)
25 ≤ BMI ≤ 281.20 (0.76-1.91)1.67 (0.49-5.66)
BMI > 282.27 (1.48-3.47)1.11 (0.36-3.45)0.35
Non-HRT users1.001.03 (0.42-2.55)
HRT users1.79 (1.25-2.57)1.81 (0.76-4.33)0.96
  • Abbreviations: BMI, body mass index; HRT, hormone replacement therapy.