text: Risk factors retained in the model included poor performance status , absolute neutrophil count < or =2.0 x 10 ( 9 ) cells/L in the previous cycle , the first cycle of chemotherapy , DOX versus PLD and advanced age .
entities.text: DOX
entities.type: intervention
entities.text: PLD
entities.type: intervention
entities.text: Risk factors
entities.type: outcome
entities.text: poor performance status , absolute neutrophil count < or =2.0 x 10 ( 9 ) cells/L
entities.type: outcome
entities.text: age
entities.type: outcome