Furthermore, evaluation of incremental predictive value showed that the continuous net reclassification improvement (NRI) and integrated discrimination improvement (IDI) for the combined model did not reach statistical significance compared to single indices (Additional file 1, Table S3), suggesting that the combined index did not significantly enhance risk reclassification ability.
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Joint association of triglyceride-glucose (TyG) and atherogenic index of plasma (AIP) with stroke risk: findings from a nationwide prospective cohort.
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