RESUMO
Objective To select the indexes from the related literatures to form an appraising table sheet,and to provide the surveillance of imported dengue fever with a scientific,useful,easy operating and quantified appraising tool.Methods Delphi model was adopted to concentrate the advices of the experts specializing in the field of dengue fever.The engaged experts scaled all of the indexes,and gave the importance value to each index by the importance grade value of 5,3,and 1.Results According to the advices of the experts,9 indexes were eliminated from the 59 given third grade indexes,and 50(84.7%) of them were retained.The experts put the importance of the average weight value of 3.50 to the whole appraising table sheet,3.85 to the first grade indexes,3.56 to the second grade indexes,and 3.44 to the third grade indexes.The harmony coefficient on the indexes system was 0.33(P