Table 6.
Correlations between salivary and serum levels of hormones for subgroups of patients with altered levels of thyroid autoantibodies.
| Thyroid autoantibodies | ECLIA-Cobas | CLIA-LIAISON | ||
|---|---|---|---|---|
| fT4 [pmol/L] | ||||
| R s | p-Value | R s | p-Value | |
| Salivary fT4 [pg/mL] | ||||
| TPOAb >34 IU/mL N = 14 |
0.706 | 0.015 a | 0.671 | 0.017 a |
| TRAb >2 IU/mL N = 12 |
0.703 | 0.016 a | 0.410 | 0.210 |
| TgAb >115 IU/mL N = 13 |
0.790 | 0.004 a | 0.741 | 0.006 a |
| fT3 [pg/mL] | ||||
| R s | p-Value | R s | p-Value | |
| Salivary fT3 [pg/mL] | ||||
| TPOAb >34 IU/mL N = 14 |
−0.418 | 0.201 | −0.007 | 0.983 |
| TRAb >2 IU/mL N = 12 |
0.409 | 0.212 | 0.506 | 0.113 |
| TgAb >115 IU/mL N = 13 |
−0.055 | 0.873 | 0.182 | 0.572 |
a
p-Value < 0.05.
fT4, thyroxine; fT3, tri-iodothyronine; TRAb, TSH-receptor antibody; TPOAb, thyroid peroxidase antibody; TgAb, thyroglobulin antibody; ECLIA-Cobas, electrochemiluminescence (ECLIA) immunoassays Elecsys® Cobas e801, Roche; CLIA-LIAISON, chemiluminescence immunoassay (CLIA) LIAISON XL®, DiaSorin; Rs, Spearman’s correlation coefficients.