Subjects: Medicine, Pharmacy >> Preventive Medicine and Hygienics submitted time 2023-12-28 Cooperative journals: 《中国全科医学》
Abstract： Background The modified COVID-19 Yorkshire Rehabilitation Scale（C19-YRSm） has been shown to be useful to assess and monitor patients in post-COVID-19 syndrome in developed countries. However，its reliability and validity in the Chinese population remains unclear. Objective To translate the C19-YRSm into a Chinese version（C19-YRSm-C），and test the reliability and validity of the Chinese version. Methods After obtaining the approval of the translation and use authority of the C19-YRSm from MANOJ SIVAN's team at the University of Leeds，United Kingdom，the research team translated the C19-YRSm and formed the C19-YRSm-C after translation，back-translation，and cross-cultural adaptation，according to the Translation and Cross-cultural Adaptation Procedure. From May 1 to 7，2023，a simple random sampling method was used to select post COVID-19 patients from the "Wen Juan Xing" platform sample pool as the study subjects. The General Information Questionnaire and the C19-YRSm-C were used to survey them. 13 experts were invited to evaluate the content validity of the scale. The C19-YRSm-C was subjected to item analysis，reliability and validity analysis. Results A total of 512 questionnaires were distributed and 370 valid questionnaires were recovered，with a valid recovery rate of 72.3%. The results of item analysis showed that the CR values of the items ranged from 6.589 to 22.725（P<0.001），and the item-total correlation coefficients of the scale ranged from 0.547 to 0.806 （P<0.001）. For reliability，the Cronbach's α coefficient，Guttman Split half coefficient and test-retest reliability of the C19-YRSm-C was 0.881，0.837 and 0.816，respectively. For content validity，the item-level content validity index（I-CVI） of the C19-YRSm-C ranged from 0.692 to 1.000，and the scale-level validity index（S-CVI） was 0.914. The results of confirmatory factor analysis（CFA） showed that the fitting indicators of the initial model were undesirable. After the establishment of a covariance correlation between error variables e12 and e13 according to the indication prompts，the fitting indicators of the modified model were within the acceptable range except for the adjusted goodness of-fit index （AGFI）. The results of discriminant validity analysis showed that the differences in scores for the 4 subscales of the C19-YRSm-C among post-COVID-19 patients with different chronic disease history and cumulative number of COVID-19 showed statistically significant differences（P<0.05）. The differences were statistically significant when comparing the scores of the 3 subscales in addition to other symptoms before and after COVID-19 infection（P<0.05）. Conclusion The C19-YRSm-C has good reliability and validity，with good applicability in Chinese population，which can be used to assess and monitor the rehabilitation status of post COVID-19 patients in China.
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