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. 2020 Oct 29;15(10):e0241016. doi: 10.1371/journal.pone.0241016

Table 3. Summary of anti-EBOV GP IgG ELISA qualification results for NHP samples.

Parameter Result
Negative Sample OD 95% prediction interval of 0.000 to 0.250
Limit of Detection 52.85 ELISA units/mL
Lower Limit of Quantification 54.87 ELISA units/mL
Upper Limit of Quantification 30,632.33 ELISA units/mL
Residual (Repeatability) 15.3% CV
Sum of Operator, Day Plate, Replicate Effects (Intermediate Precision) 19.9% CV
Total Assay Variability Due to Method (Intermediate Precision and Repeatability) 25.3% CV
Dilutional Linearity (Accuracy) Slope of -0.99 with 90% confidence of (-1.02, -0.97)
Selectivity (Matrix Effects) Percent difference (-5.1%, 13.2%).
Specificity Mean ratio of Mock to 25 μg/mL rGP = 5.05
Mean ratio of Mock to 10 μg/mL rGP = 4.06
Mean ratio of Mock to 25 μg/mL CMV = 1.06