Table 3.

Achievement of geometric mean titer cutoff by group

	Unadjusted					Adjusted
	No BSI		BSI		χ2 test p value	OR	95% CI
Serotype	n	%	n	%
4
≥0.35μg/mL	160	98.8	76	92.7	0.02*	0.31	0.04	2.57
6B
≥0.35μg/mL	145	89.5	60	73.2	<0.01*	0.49	0.21	1.14
9V
≥0.35μg/mL	157	96.9	76	92.7	0.19	0.69	0.16	3.02
14
≥0.35μg/mL	159	98.2	78	95.1	0.23	0.46	0.06	3.63
18C
≥0.35μg/mL	160	98.8	80	97.6	0.60	0.75	0.08	7.07
19F
≥0.35μg/mL	161	99.4	81	98.8	1.0		n/a
23F
≥0.35μg/mL	147	90.7	66	80.5	0.02*	0.88	0.34	2.27

^*p<0.01