Prognostic value of an elevated NLR in breast cancer patients. (A) All patients (P=0.053), (B) patients with triple negative BC (P=0.034), (C) patients with ER-negative (P=0.018), (D) patients with tumor grade G3 (P=0.020), (E) patients with nodal status positive (P=0.118) and (F) patients with HER2-positive (P=0.167). NLR, neutrophil-lymphocyte ratio; BC, breast cancer; ER, estrogen receptor.