Key result
The Turkish Myocardial Infarction Dimensional Assessment Scale demonstrated acceptable reliability (Cronbach's alpha 0.89, test-retest 0.51, p<0.01) and validity (content validity index 0.95).
Observational
Yes
The TR-MIDAS is a valid and reliable disease-specific scale for assessing quality of life in Turkish patients following a first myocardial infarction.
Supports TR-MIDAS for QoL assessment in Turkish post-MI patients; leaves open longitudinal validation before routine use.
BACKGROUND: Many new measuring devices have been developed so that broader psychometric measurements in the coronary artery disease, disease-specific health status measurements, and identification of the broader quality of life can be performed in the recent years. AIMS: The study was intended to determine whether, and to what extent, MIDAS is a valid and reliable measurement to the patients suffering from myocardial infarction for the first time in Turkey. METHODS: The research was conducted with the patients hospitalized and treated with myocardial infarction in the cardiology departments of 2 hospitals in Istanbul, Turkey, between 2007 and 2008. Psychometric evaluations of TR-MIDAS were used for validity studies; language validity, content validity, construct validity were examined. For reliability studies; the tool's internal consistency reliability, Cronbach's alpha reliability coefficient, and test-retest reliability were completed. RESULTS: The instrument's content validity index was determined to be "0.95". Principal component analysis revealed six factors with an eigenvalue >1.5. Cronbach's alpha was found to be 0.89 for total scale which was an acceptable value. The total's test-retest reliability was 0.51 (p<0.01). CONCLUSION: Data obtained at the end of the study supports that Turkish Myocardial Infarction Dimensional Assessment Scale is a valid and reliable instrument as a disease-specific scale to assess the patients' quality of life suffering from myocardial infarction in Turkey.
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Uysal et al. (2010) conducted an observational in Myocardial infarction. Turkish Version of Myocardial Infarction Dimensional Assessment Scale (TR-MIDAS) was evaluated on Validity and reliability (content validity index, Cronbach's alpha, test-retest reliability). The Turkish Myocardial Infarction Dimensional Assessment Scale demonstrated acceptable reliability (Cronbach's alpha 0.89, test-retest 0.51, p<0.01) and validity (content validity index 0.95).
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