Table 2a.
Descriptive statistics (median and 1st and 3rd quartiles) of plasma and salivary levels of humoral parameters before and after treatment
| Baseline | 6 months | |||||
|---|---|---|---|---|---|---|
| Serum (mg/dl) | Median | IQ range | Median | IQ range | H–L | P (Wilcoxon) |
| IgG | 995·00 | 728·00–1275·00 | 966·00 | 637·00–1240·00 | 58(−229,342) | 0·307 |
| IgA | 219·00 | 94·23–328·50 | 184·00 | 82·40–344·00 | 28(−81,156) | 0·221 |
| IgM | 118·50 | 93·50–178·50 | 122·00 | 94·10–160·00 | 0·20(−42,47) | 0·733 |
| IgG1 | 772·00 | 585·00–862·00 | 640·00 | 421·00–766·00 | 97(−78,344) | 0·184 |
| IgG2 | 199·00 | 173·00–412·00 | 205·50 | 176·00–299·00 | 22(−68,132) | 0·917 |
| IgG3 | 43·23 | 33·70–53·50 | 37·05 | 24·90–54·13 | 2·40(−11,20) | 0·675 |
| IgG4 | 14·10 | 8·41–23·60 | 12·23 | 7·06–24·85 | −0·47(−14,12) | 0·861 |
| Anti-PPC antibody | 24·90 | 8·20–23·78 | 26·40 | 8·60–27·00 | −1(−14,2) | 0·530 |
| Anti-TT antibody | 4·10 | 0·33–7·00 | 5·10 | 0·90–7·00 | 0(−2,1) | 0·878 |
| Salivary IgA | 13·25 | 7·83–20·03 | 10·40 | 5·88–18·35 | 2(−8,11) | 0·866 |
Anti-PPC: levels of anti-pneumococcal polysaccharide antibodies [immunoglobulin (Ig)G]; anti-T: levels of anti-tetanus antibodies (IgG). Comparative statistics [Hodges–Lehmann (H–L) and Wilcoxon tests] were used to compare all these pairs of variables. IQ, interquartile.