Table 5.

Correlations between OPA and ELISA antibodies

Serotype	Treatment Group	Spearman Correlation coefficient	P val	N
Maternal
4	PCV-10	0.474	0.03	20
	Placebo	0.286	0.27	17
	PPV-23	0.617	0.004	20
6B	PCV-10	0.391	0.09	20
	Placebo	0.197	0.43	18
	PPV-23	0.389	0.09	20
14	PCV-10	0.708	0.0005	20
	Placebo	0.613	0.005	19
	PPV-23	0.753	0.0001	20
23F	PCV-10	−0.121	0.62	19
	Placebo	0.117	0.64	18
	PPV-23	0.216	0.37	19
Infant
4	PCV-10	0.675	0.001	20
	Placebo	0.257	0.27	20
	PPV-23	0.817	<0.0001	19
6B	PCV-10	0.743	0.0003	19
	Placebo	0.174	0.46	20
	PPV-23	0.816	<0.0001	19
14	PCV-10	0.734	0.0002	20
	Placebo	0.802	<0.0001	20
	PPV-23	0.913	<0.0001	20
23F	PCV-10	0.788	<0.0001	20
	Placebo	0.095	0.69	20
	PPV-23	0.935	<0.0001	20

Bold font indicates statistically significant associations