BACKGROUND:Post-stroke fatigue has received much attention recently.Three evaluation scales are available,including the Fatigue Impact Scale(FIS).Yet none of these has been proven to be of use in the evaluation of psychological quality after post-stroke fatigue.OBJECTIVE:To introduce FIS into China,and to evaluate the validity and reliability of the Chinese Version in patients with cerebral infarction. DESIGN:Scale evaluation. SETTING:Department of ehabilitation,Beijing Friendship Hospital,Capital Medical University. PARTICIPANTS:A total of 330 patients with cerebral infarction were selected from the Department of Neurology,Beijing Friendship Hospital,Capital Medical University from June 2005 to December 2006.All patients met diagnostic standards from the Fourth National Cerebrovascular Disease Academic Meeting of China Medical Association and were diagnosed with CT or MRI examination.Patients who were not willing to accept scale evaluation were excluded. METHODS:The English version of FIS was translated into Chinese and subsequently translated back to English again.FIS was given to the discharged patients,and they reted them upon completion,h-patients completed and immediately reted the FIS.Validity and reliability of the retrieved scales were ascertained with descriptive and inference analysis. MAIN OUTCOME MEASURES:Total scores and subscale scores of FIS.RESULTS:Out of 330 questionnaires,214 valid questionnaires were deemed valid in total.Six components were extracted in factor analysis,and the total cumulative contribution was 73.919%,which suggested the questionnaire was valid.After correlation analysis,6 components were divided into 3 subscales,including cognitive,physical,and social,which was the same as the English version.The Cronhach a value for the three subscales was 0.937 7,0.918 8,and 0.940 6,respectively(＞0.7).CONCLUSION:The reliability and validity of the Chinese version of FIS met with satisfaction and appeared to be adaptable to cerebral infarction patients in China.