Prospective comparison of capillary and venous brain biomarker S100B: capillary samples have large inter-sample variation and poor correlation with venous samples.

Int J Emerg Med · 2019 · PMC6719369 · PMID 31477027

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showed a trendno p-value reported

The line of regression in capillary samples showed a trend towards less agreement in the higher range (Fig. 4 ).

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