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A cross-sectional study of 2,907 participants (556 with Severe Airflow Limitation) from the China Health and Retirement Longitudinal Study (CHARLS). It explores non-linear associations between lipid indices, frailty, and SAL, identifying thresholds and sociodemographic modifiers. The dataset was authored by Shuang Deng and last updated on 2026-04-29.
Dataset is very small (5.5 KB), indicating limited scope, likely containing summary or analysis results rather than raw participant data.