Table 6 Maximum likelihood estimates and 95% confidence intervals for the model with IgG S2 + NP.

From: SARS-CoV-2 enzyme-linked immunosorbent assays as proxies for plaque reduction neutralisation tests

Parameter

Estimate

95% confidence interval

\({\alpha }\)

6.255

(5.246, 7.263)

\({\beta }\)

0.690

(0.393, 0.986)

\(\gamma \)

− 0.002

(− 0.033, 0.030)

\({\sigma }\)

4724.139

(894.565, 24,947.880)