marginal significancep = 0.050
Furthermore, in the subgroup analysis, pre-therapeutic serum GGT level had marginal significance for RFS ( Table 4 ; HR, 5.26; p = 0.050; 95% CI, 1.00–27.61) and DFS ( Table 4 ; HR, 5.19; p = 0.050; 95% CI, 1.00–26.96) among hormone receptor (ER and PR)-positive patients but not among HER-2-positive patients.