Table 1 Maximum likelihood estimates for the models for IgG S1-RBD, after excluding days post-onset of symptom variable.

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

Parameter

Estimate

95% confidence interval

\({\alpha }\)

5.317

(4.35, 6.285)

\({\beta }\)

0.187

(0.112, 0.262)

\({\sigma }\)

3277.827

(846.694, 12,689.540)