of borderline significancep = 0.08
Previous conventional doxorubicin therapy in a palliative setting was of borderline significance (HR 3.23; 95% CI 0.87–12.02; p = 0.08) even with a cumulative dose ≥ 400 mg/m2 (HR 4.26; 95% CI 0.91–19.79; p = 0.06).