Potential interplay between tumor size and vitamin D receptor (VDR) polymorphisms in breast cancer prognosis: a prospective cohort study.

A similar trend was observed for the Bsm1 TT genotype, with a decreased risk of breast cancer events (adjusted HR 0.61, 95% CI 0.40–0.94), but did not reach statistical significance for OS (adjusted HR 0.68, 95% CI 0.44–1.04; Table 2 B).

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Dichotomous variables were created when a clear trend was observed in the Kaplan–Meier curves between having one or two variant alleles compared with the normal variant or normal variant plus one variant allele.

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