Patient or disease characteristics | wt/wt | wt/mt | mt/mt | P value, three groupsa | P value, two groupsb |
---|---|---|---|---|---|
SNP rs2981582 (in FGFR2) | Â | Â | Â | Â | Â |
   Family history |  |  |  |  |  |
Positive for breast cancer (%) | 36 | 40 | 45 | 0.089 | 0.095 |
Positive for breast cancer and/or ovarian cancer (%) | 38 | 42 | 48 | 0.065 | 0.089 |
Average number of relatives with breast cancer or ovarian cancer divided by the total number of female relatives | 0.067 | 0.071 | 0.089 | 0.05 | 0.193 |
   Average duration of breastfeeding (months) | 4.5 | 5.5 | 5.8 | 0.224 | 0.062 |
SNP rs3817198 (in LSP1) | Â | Â | Â | Â | Â |
   Positive lymph-node status (%) | 39 | 44 | 44 | 0.190 | 0.078 |
SNP rs889312 (near MAP3K1) | Â | Â | Â | Â | Â |
   Positive lymph-node status (%) | 45 | 40 | 36 | 0.090 | 0.044 |
SNP rs3803662 (near TNRC9) | Â | Â | Â | Â | Â |
   Age at diagnosis <60 years (%)c | 68 | 73 | 82 | 0.054 | 0.025 |
   Family history |  |  |  |  |  |
Average number of first-degree relatives with breast cancer | 0.23 | 0.28 | 0.31 | 0.156 | 0.072 |
Average number of relatives with breast cancer divided by total number of female relatives | 0.063 | 0.070 | 0.082 | 0.166 | 0.118 |
   Average duration of breastfeeding (months) | 4.9 | 5.7 | 6.4 | 0.206 | 0.097 |