Table 2.

Univariate analysis of determinants of positive antibody response after second vaccine.

Variable	Odds ratio (95% CI)	P value
Age (increasing)	0.99. (0.93 to 1.05)	0.73
Duration of CLL (increasing)	1.0. (0.99 to 1.002)	0.15
lgA (normal)	10.7 (2.7 to 43)	0.001
lgG (normal)	2.5. (0.73 to 8.8)	0.14
lgM (normal)	2.9 (0.83 to 10.3)	0.095
BTKI treatment (Yes)	0.034 (0.004 to 0.31)	0.003
Infection history (Yes)	0.35 (0.1 to 1.2)	0.086