The most common grade @ and @ toxic effects-which were all more common with doxorubicin and ifosfamide than with doxorubicin alone-were leucopenia ( @ -LSB- @ % -RSB- of @ patients vs @ -LSB- @ % -RSB- of @ patients ) , neutropenia ( @ -LSB- @ % -RSB- vs @ -LSB- @ % -RSB- ) , febrile neutropenia ( @ ( @ % ) vs @ -LSB- @ % -RSB- ) , anaemia ( @ -LSB- @ % -RSB- vs @ -LSB- @ % -RSB- ) , and thrombocytopenia ( @ -LSB- @ % -RSB- ) vs one -LSB- < @ % -RSB- ) .