Abstract
Background
Diabetic nephropathy (DMN) is the most common cause of end-stage renal disease. Progression of DMN leads to impairment of physical activity, restriction of daily activities, and diminished social participation. Therefore, the precise assessment of the physical and psychosocial problems of DMN patients is important. The objective of this study was to validate the Comprehensive International Classification of Functioning, Disability and Health Core Set for Diabetes Mellitus (ICF-CS for DM) from the perspective of DMN patients.
Methods
A total of 176 DMN outpatients were interviewed using the ICF-CS for DM. Content and construct validity were evaluated. Patients were divided into 2 groups: DMN patients without hemodialysis (HD) (non-HD group) and DMN patients undergoing HD (HD group). Content validity was evaluated based on the frequency of patients who had a problem in each category. For construct validity, the patients were divided into two groups based on DM duration and hemoglobin A1C levels.
Results
Content validity evaluation revealed 58 categories reported as problem categories: 39 categories in the non-HD group and 50 categories in the HD group. Construct validity evaluation showed that longer DM duration and poor glycemic control contributes to increased problems.
Conclusions
Content and construct validity of the ICF-CS for DM was supported from the DMN patients’ perspective. Some categories of the “Environmental factors” component need further studies to be appropriate.
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Acknowledgments
This study was supported by a grant from the Kidney Foundation, Japan (JKF10-5), and a research grant from the Aichi Kidney Foundation. The authors thank the staff members of the following organizations for their clinical support: Ishiguro Internal Medical Clinic, Akishima Clinic, Tawada Hospital, Tawada Clinic, and Sakashita Clinic.
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The authors declare no conflict of interest with regard to this manuscript.
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Tsutsui, H., Ojima, T., Ozaki, N. et al. Validation of the Comprehensive International Classification of Functioning, Disability and Health (ICF) Core Set for Diabetes Mellitus in patients with diabetic nephropathy. Clin Exp Nephrol 19, 254–263 (2015). https://doi.org/10.1007/s10157-014-0983-0
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DOI: https://doi.org/10.1007/s10157-014-0983-0