Rapid and Self-Administrable Capillary Blood Microsampling Demonstrates Statistical Equivalence with Standard Venous Collections in NMR-Based Lipoprotein Analysis.

R 2 ≥ 0.8, p < 0.001) was witnessed for 86% of plasma analytes (103/120) and 88% of serum analytes (106/120), indicating that the capillary blood analyte concentration follows changes in venous analyte concentration. A further 13% of plasma analytes (15/120) and the remaining 12% of serum analytes (14/120) achieved moderately significant linear relationships (50% > R 2 > 79%, all p ≤ 0.001) between collection sites ( Figure 3 ).

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