2天收回180份问卷，其中3人无静脉采血经历，剔除，收回有效问卷177

180 questionnaires were recovered two days, three of which undergo no venous blood, removed, valid questionnaires 177, 140 people puncture site bruising occurred, the rate was 81.36%, with a number of occurrences of ≥3 times 79, as 44.63%, 159 people do not know the need to take measures to eliminate the bruising, was 89.83%.

180 questionnaires were recovered in 2 days, of which 3 had no intravenous blood collection experience, excluded, 177 valid questionnaires were recovered, 140 people had punctured bruising, the incidence rate was 81.36%, the number of occurrences was 79 people, 44.63%, 159 people did not know the bruiseneeds need to take measures to eliminate, for 89.83%.

180 questionnaires were collected in 2 days, among which 3 had no experience of venous blood collection, 177 were removed and 177 were effective questionnaires. 140 had bruises at puncture points, the incidence was 81.36%, 79 had ≥ 3 times, 44.63%, 159 did not know that measures should be taken to eliminate the bruises, 89.83%.