Abstract
Background
Chronic heart failure (CHF), a major public health problem worldwide, seriously limits health-related quality of life (HRQOL). How to evaluate HRQOL in older patients with CHF remains a problem.
Aim
To evaluate the reliability and validity of the Chinese version of the Medical Outcomes Study Short Form version 2 (SF-36v2) in CHF patients.
Methods
From September 2012 to June 2014, we assessed QOL using the SF-36v2 in 171 aging participants with CHF in four cardiology departments. Convergent and discriminant validity, factorial validity, sensitivity among different NYHA classes and between different age groups, and reliability were determined using standard measurement methods.
Results
A total of 150 participants completed a structured questionnaire including general information and the Chinese SF-36v2; 132 questionnaires were considered valid, while 21 patients refused to take part. 25 of the 50 participants invited to complete the 2-week test–retest questionnaires returned completed questionnaires. The internal consistency reliability (Cronbach’s α) of the total SF-36v2 was 0.92 (range 0.74–0.93). All hypothesized item–subscale correlations showed satisfactory convergent and discriminant validity. Sensitivity was measured in different NYHA classes and age groups. Comparison of different NYHA classes showed statistical significance, but there was no significant difference between age groups.
Discussion
We confirmed the SF-36v2 as a valid instrument for evaluating HRQOL Chinese CHF patients. Both reliability and validity were strongly satisfactory, but there was divergence in understanding subscales such as “social functioning” because of differing cultural background.
Conclusions
The reliability, validity, and sensitivity of SF-36v2 in aging patients with CHF were acceptable.
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Acknowledgments
We acknowledge the help of the Research Institute Social Medicine and General Practice Medicine in Zhejiang University.
Funding
The Program of Wenzhou Science and Technology Bureau funded this study (Grant Number Y20140198).
Authors’ contributions
Dong Aishu and Guo Wenjian wrote the article. Chen Sisi conducted the data analysis. Zhu Lianlian tabulated data. The other authors collected case data.
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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
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Informed consent was obtained from all individual participants included in the study.
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Dong, A., Chen, S., Zhu, L. et al. The reliability and validity of Chinese version of SF36 v2 in aging patients with chronic heart failure. Aging Clin Exp Res 29, 685–693 (2017). https://doi.org/10.1007/s40520-016-0614-6
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DOI: https://doi.org/10.1007/s40520-016-0614-6