a trend towards significancep = 0.068
NLR low and post-treatment Ki67 ≥ 14% were also factors that negatively influenced OS ( p = 0.01 and p = 0.002, respectively), along with the necessity to perform mastectomy after NACT and non-ductal histology, characteristics that in our population were associated with a trend towards significance ( p = 0.068 and p = 0.069, respectively).