Representative Value of Nutritional Status and Physical Function Stratified by Age and Sex in Maintenance Hemodialysis Patients

Abstract

Purpose: The aim of this study was to clarify the representative values and the proportion below the cut off value related to nutritional status and physical function in maintenance hemodialysis patients.

Methods: A total of 670 hemodialysis outpatients participated in this cross-sectional study. Patient's background, body mass index (BMI), geriatric nutritional risk index (GNRI), grip strength, knee extension force (KEF), gait velocity, and short physical performance battery (SPPB) were investigated. The validity of the sample size was confirmed, and representative values and the proportions below the cut off values were compared.

Results: A sufficient sample size was able to be set for patients aged 50-years and older. GNRI, grip strength, KEF, gait velocity, and SPPB decreased with increasing age, and many patients aged 80 years or older were below the cut-off value.

Conclusion: This study showed the representative values of nutritional status and physical function by age and demonstrated an actual decrease in elderly patients.