showed a trendP =0.08
Patients with ESR1 PvuII wt/wt genotype and at least one UGT2B15 wt allele had a worse DFS ( P =0.03) and showed a trend towards decreased Os ( P =0.08) in comparison to patients with ESR1 PvuII wt/vt or vt/vt genotype and UGT2B15 *2/*2 genotype.