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目的:编制急性心肌梗死患者疾病进展恐惧量表，并进行信效度检验。方法:通过文献回顾、质性访谈、德尔菲专家函询法形成量表初稿。于2020年3—7月采用便利抽样法对江苏省某3所三级甲等医院心内科收治的200例急性心肌梗死患者进行正式调查，通过项目分析、探索性因子分析形成正式量表，并测定其信效度。共发放问卷200份，回收有效问卷178份，有效回收率为89.00%。结果:量表最终包含17个条目，探索性因子分析提取出3个公因子，累计方差贡献率为62.671%。条目水平的内容效度指数为0.83～1.00，量表水平的内容效度指数为0.82，量表水平的平均内容效度指数为0.97。总量表的Cronbach's α系数为0.892，折半信度为0.764，重测信度为0.964。结论:编制的急性心肌梗死患者疾病进展恐惧量表具有较好的信效度，可用于急性心肌梗死患者疾病进展恐惧现状的评估。“,”Objective:To develop the Fear of Disease Progression Scale for Patients with Acute Myocardial Infarction, and test its reliability and validity.Methods:The first draft of the scale was formed through literature review, qualitative interviews, and Delphi expert consultations. From March to July 2020, convenience sampling method was adopted to conduct a formal survey of 200 patients with acute myocardial infarction admitted to the Department of Cardiology in three ClassⅢ Grade A hospitals in Jiangsu Province. The formal scale was formed through the project analysis and exploratory factor analysis, and its reliability and validity were determined. 200 questionnaires were distributed, and 178 valid questionnaires were recovered, with a valid recovery rate of 89.00%.Results:The final scale contained 17 items, and exploratory factor analysis extracted 3 common factors, and the cumulative contribution rate of variance was 62.671%. The item-level content validity index (n I-n CVI) was from 0.83 to 1.00, the scale-level content validity index (n S-n CVI) was 0.82, and the average n S-n CVI was 0.97. The Cronbach's α coefficient of the total scale was 0.892, the half-reliability was 0.764, and the test-retest reliability was 0.964.n Conclusions:The developed Fear of Disease Progression Scale for Patients with Acute Myocardial Infarction has good reliability and validity, which can be used to assess the current status of fear of disease progression in patients with acute myocardial infarction.