Table 2

Frequency of HRAS1 alleles and risk of epithelial ovarian cancer (based on 270 case alleles and 216 control alleles)a

HRAS1a1a2a3a4Rare allelesOR (95% CI)P
Controls131 (0.61)24 (0.11)19 (0.09)13 (0.06)29 (0.13)1.00 (reference)
Case patients135 (0.50)38 (0.14)20 (0.07)19 (0.07)58 (0.22)1.76 (1.08–2.87)0.02
  • a Tumor tissue included.