Table 3.

Baseline B, T and NK cell count predictors of day 42 anti-SARS-CoV-2 RBD IgG titres according to linear regression model

	β*	95% CI	P value
B lymphocyte count, G/L	0.38	0.13 to 0.62	0.003
NK lymphocyte count, G/L	0.21	−0.37 to 0.80	0.5
CD4+ T lymphocyte count, G/L	0.01	−0.09 to 0.11	0.9
CD8+ T lymphocytes, G/L	−0.01	−0.16 to 0.13	0.8

*See the Methods section

IgG, immunoglobulin G; RBD, receptor binding domain.