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- Title
Association of Serum Phosphate with Low Handgrip Strength in Patients with Advanced Chronic Kidney Disease.
- Authors
Tsai, Ping-Huang; Yang, Hsiu-Chien; Lin, Chin; Sung, Chih-Chien; Chu, Pauling; Hsu, Yu-Juei
- Abstract
Muscle wasting and hyperphosphatemia are becoming increasingly prevalent in patients who exhibit a progressive decline in kidney function. However, the association between serum phosphate (Pi) level and sarcopenia in advanced chronic kidney disease (CKD) patients remains unclear. We compared the serum Pi levels between advanced CKD patients with (n = 51) and those without sarcopenia indicators (n = 83). Low appendicular skeletal muscle mass index (ASMI), low handgrip strength, and low gait speed were defined per the standards of the Asian Working Group for Sarcopenia. Mean serum Pi level was significantly higher in advanced CKD patients with sarcopenia indicators than those without sarcopenia indicators (3.88 ± 0.86 vs. 3.54 ± 0.73 mg/dL; p = 0.016). Univariate analysis indicated that serum Pi was negatively correlated with ASMI, handgrip strength, and gait speed. Multivariable analysis revealed that serum Pi was significantly associated with handgrip strength (standardized β = −0.168; p = 0.022) and this association persisted even after adjustments for potential confounders. The optimal serum Pi cutoff for predicting low handgrip strength was 3.65 mg/dL, with a sensitivity of 82.1% and specificity of 56.6%. In summary, low handgrip strength is common in advanced CKD patients and serum Pi level is negatively associated with handgrip strength.
- Subjects
SKELETAL muscle physiology; HAND physiology; GRIP strength; CHRONIC kidney failure; STATISTICS; GAIT in humans; MULTIVARIATE analysis; SARCOPENIA; WASTING syndrome; HYPERPHOSPHATEMIA; DIAGNOSIS; DESCRIPTIVE statistics; PHOSPHATES; DISEASE risk factors; DISEASE complications
- Publication
Nutrients, 2021, Vol 13, Issue 10, p3605
- ISSN
2072-6643
- Publication type
Article
- DOI
10.3390/nu13103605