Abstract: ObjectiveTo explore the distribution of ALT(alanine aminotransfease) disqualified blood donors and influential factors for the disqualification so as to find evidence for lowering the incidence of unqualified ALT, and additionally, to evaluate the meaning of ALT test in volunteer donors. MethodsBy applying retrospective analysis, gathering information about volunteer donors from Anyang city, making analysis on the reasons of ALT disqualification and the population distribution. ResultsAmong the volunteer donors from Anyang city, the ALT disqualification rate is 1.20%, which can be mostly seen in donors who are male, aging from 26~35 who are self-employed. What is more, the positive rate tends to be higher in August and September. ConclusionA fixed donor group should be actively organized, and consultation before blood donation and ALT primary screening test should be regulated to lower ALT disqualification rate.

Key words: Volunteer, blood, donor, ALT, Disqualified, Influential, factors