Neutropenia ( ten -LSB- @ % -RSB- vs @ -LSB- @ % -RSB- ) , diarrhoea ( three -LSB- < @ % -RSB- vs eight -LSB- @ % -RSB- ) , and febrile neutropenia ( one -LSB- < @ % -RSB- vs seven -LSB- @ % -RSB- ) were grade @ or worse adverse events that were more common in the physician 's choice group than in the trastuzumab emtansine group .