Table 3.

Correlation between sergroup-polysaccharide specific IgG levels and functional antibody titers (rSBA) in saliva measured before (T0), one month (T1) and one year (T2) after the vaccination

Serogroup	T0 R (95% CI), p-value	T1 R (95% CI), p-value	T2 R (95% CI), p-value	All R (95% CI), p-value
MenA	0.11 (− 0.03–.025), 0.11	0.11 (− 0.03–0.24), 0.13	0.06 (− 0.08–0.20), 0.42	0.36 (0.28–0.42), < 0.001
MenC	0.37 (0.29–0.45), < 0.001	0.54 (0.47–0.61), < 0.001	0.53 (0.46–0.60), < 0.001	0.85 (0.84–0.87), < 0.001
MenW	0.06 (− 0.08–0.20), 0.37	0.16 (0.02–0.29), 0.02	0.25 (0.11–0.37), 0.001	0.60 (0.54–0.65), < 0.001
MenY	0.02 (−0.12–0.15), 0.82	0.09 (− 0.05–0.23), 0.19	0.19 (0.05–0.32), 0.007	0.76 (0.72–0.79), < 0.001

Note. Abbreviations: R Pearson correlation coefficient, CI confidence interval