Association Between the Serum Creatinine to Cystatin C Ratio, Physical Activity, and Frailty in Middle-Aged and Older Adults in China: A Nationwide Cohort Study.

Life (Basel) · 2025 · PMC12733759 · PMID 41465771

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borderline significantno p-value reported

A similar protective trend appeared in the moderate PA group, although the associations were weaker and only borderline significant in some quartiles.

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did not reach statistical significanceno p-value reported

Notably, the inverse relationship between the sarcopenia index and frailty appeared more evident among older participants, males, or those with higher BMI; however, these differences did not reach statistical significance.

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