Although odds ratios associated with the CC genotype were between 1.77 and 2.26 indicating an approximately doubled risk of breast cancer, these observations did not quite attain significance at the p < 0.05 level, which may be due to the small number of CC patients ( Table 2 ).
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Association of the rs1346044 Polymorphism of the Werner Syndrome Gene RECQL2 with Increased Risk and Premature Onset of Breast Cancer.
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0.0500
0.0580
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of borderline significancep = 0.058
Curves of the cumulative breast cancer incidence also showed a considerably earlier age at breast cancer onset of CC patients, which was of borderline significance ( p = 0.058, log-rank test; Figure 1 B). 3.
This increased the magnitude of the observed effects, and borderline significance was obtained for comparisons of the rare CC genotype with the other genotypes ( Table 2 ).
Thus, rs1346044 was significantly associated with an increased breast cancer risk in patients under 55 years based on recessive and log-additive genetic models and almost reached statistical significance based on a dominant model ( Table 3 ; see also next section results, below).