Fig. 2: Kaplan–Meier curves for hormone receptor-negative patients.

a OS. b EFS. FEC 5-fluorouracil, epirubicin and cyclophosphamide, FEC14 FEC administered every 2 weeks (dose-dense), FEC21 FEC administered every 3 weeks (standard interval).

a OS. b EFS. FEC 5-fluorouracil, epirubicin and cyclophosphamide, FEC14 FEC administered every 2 weeks (dose-dense), FEC21 FEC administered every 3 weeks (standard interval).