Table 4a.

Multivariate linear regression analysis of predictors for RBD-IgG levels following the second dose of the vaccine in the study population (1002) vs. immunocompetent controls (272); N = 1274.

Effect	Ratio of mean	Lower 95% CI	Upper 95% CI	P-value
Gender, male	0.97	0.86	1.09	0.58
Age	0.99	0.98	0.99	< 0.0001
HIV	0.83	0.67	1.02	0.070
Solid malignancies	0.60	0.47	0.76	< 0.0001
Multiple myeloma	0.53	0.44	0.64	< 0.0001
HSCT	0.45	0.36	0.56	< 0.0001
Liver transplant	0.38	0.27	0.54	< 0.0001
Myelodysplastic disorders	0.31	0.23	0.43	< 0.0001
CLL/NHL	0.23	0.19	0.28	< 0.0001
Kidney transplant	0.18	0.14	0.22	< 0.0001
Heart transplant	0.10	0.08	0.12	< 0.0001