Andelen af patienter med mindst et signifikant fald i LVEF (reduktion på ≥ 10 EF point til < 50%) var under behandlingen 7, 4% i 1- års Herceptin- armen versus 2, 3% i kontrolarmen.
The percentage of patients with at least one significant LVEF drop (decrease of ≥ 10 EF points and to < 50%) during the study was 7.4% in the 1 year Herceptin arm versus 2.3% in the observation arm.