passages.id: 254
passages.type: sentence
passages.text: There was no difference in the proportion of patients requiring transfusions during the study ( 23 % in 40K arm and 18 % in 120K arm , P = .22 ) or specifically during the maintenance phase ( 13 % in 40K arm v 15 % in 120K arm , P = .58 ) .
entities.id: 255
entities.type: outcome
entities.text: requiring transfusions