Fig. 4

The relationships between the levels of SARS-CoV-2 neutralizing Ab, anti-nucleocapsid IgG, and anti-spike IgG and numeric variables were determined using the Locally Weighted Least Squares Regression (loess) method. Abbreviations: Ab: antibody; EDSS: expanded disability status scale; IgG: immunoglobulin G; SARS-CoV-2: severe acute respiratory syndrome coronavirus 2