Fig. 2
High intra-assay and inter-assay precision is observed for low-, intermediate-, and high-concentration samples. Assay precision was determined through the measurement of a low-, b intermediate-, and c high-concentration plasma pools over 5 days with 5 sample replicates per day. Mean concentration of replicates is plotted with each point representing an individual sample replicate and error bars representing ± SD. Differences in measured sample concentration between assay replicates were analyzed by one-way ANOVA with Tukey’s multiple comparisons test and displayed within the graph as *p < 0.05, **p < 0.01, and ****p < 0.0001. SD: standard deviation