Unsupervised Clustering of Routine Inflammatory Markers in Cardiogenic Shock Reveals Phenotypic Heterogeneity Without Prognostic Utility.

J Pers Med · 2026 · PMC12941803 · PMID 41745388

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highly significantp < 0.001actually significant

Sampling adequacy for principal component analysis was acceptable (Kaiser–Meyer–Olkin statistic 0.57), and Bartlett’s test of sphericity was highly significant (χ 2 = 2863, df = 21, p < 0.001), confirming that the correlation structure among the inflammatory indices was suitable for dimension reduction.

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