Methods:Gestational age(GA),birthweigh(BW),diseases of the patients,severity of the diseases,and the phlebotomy blood loss were investigated in 80 premature newborns who received transfusion therapy.

• 方法:回顾性分析了80例经过输血治疗的早产儿的胎龄、出生体重、所患疾病、病情轻重及取血量等相关因素。