Skip to main content
. 2012 Oct 16;7(10):e46916. doi: 10.1371/journal.pone.0046916

Table 4. Relation between serum and salivary IgG and IgA antibody levels in the PCV7 vaccinated groups.

IgG Serum-Saliva IgA Serum-Saliva
(n = 15) (n = 15)
Serotype r P r p
4 0.63 0.011 0.57 0.032
6B 0.88 <0.001 0.92 <0.001
9V 0.64 0.010 0.71 0.005
14 0.55 0.035 0.66 0.010
18C 0.79 <0.001 0.65 0.012
19F 0.57 0.027 0.77 0.001
23F 0.87 <0.001 0.69 0.007
1 0.32 0.248 0.40 0.160
3 −0.06 0.824 0.26 0.375
5 0.38 0.164 0.20 0.483
7F 0.31 0.254 0.30 0.296

Correlations between salivary and serum antibody levels were assessed by Spearman correlation. All reported p-values are 2-sided, p-values smaller than 0.05 were considered significant and are depicted in bold.