Table 2

Prevalence of HER-2 amplification

HER-2 statusStudy armsOverall N = 430 (%)
CMF N = 148 (%)HEC N = 137 (%)EC N = 145 (%)
Nonevaluable30202676
Evaluable118117119354
Amplified (ratio >2)28 (24)20 (17)25 (21)73 (21)
Nonamplified90 (76)97 (83)94 (79)281 (79)