Table 8 Standard deviations of repeatability and within-lab precision for assaying tau protein concentrations in PBS using the tau reagent with IMR. The used samples show the mean measured total tau protein concentrations of 9.91 pg/ml and 95.46 pg/ml. The coefficient of variation is the ratio of the standard deviation to the mean of measured total tau protein concentrations.

From: Analytical performance of reagent for assaying tau protein in human plasma and feasibility study screening neurodegenerative diseases

Material

Mean of measured total tau protein concentrations

Standard deviation (Coefficient of variation)

Repeatability

Within-Lab

Tau-PBS sample 1

9.91 pg/ml

1.22 pg/ml (12.3%)

1.12 pg/ml (11.3%)

Tau-PBS sample2

95.46 pg/ml

8.86 pg/ml (9.3%)

8.49 pg/ml (8.9%)

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