Table 3.
Correlation between thyroid autoantibodies and other studied parameters in women with a history of miscarriage
| Variable | TSH | Anti-TPO | Anti-TG | FT4 | FT3 | Age | Gest. age | NMIS | |
|---|---|---|---|---|---|---|---|---|---|
| TSH | r | 1 | .269* | .102 | −.639** | −.540** | −.121 | .031 | .492** |
| P | .03 | .378 | <0.001 | <0.001 | .352 | .724 | <0.001 | ||
| Anti-TPO | r | .269* | 1 | .301* | .035 | .006 | .010 | −.121 | .125 |
| P | .03 | .024 | .885 | .954 | .931 | .347 | .239 | ||
| Anti-TG | r | .102 | .301* | 1 | .010 | −.013 | −.092 | .018 | .125 |
| P | .378 | .024 | .934 | .918 | .491 | .884 | .304 | ||
| FT4 | r | −.639** | .035 | .010 | 1 | .619** | .082 | −.117 | −.185 |
| P | <0.001 | .885 | .934 | <0.001 | .496 | .381 | .135 | ||
| FT3 | r | −.540** | .006 | −.013 | .619** | 1 | .103 | −.134 | −.210 |
| P | <0.001 | .954 | .918 | <0.001 | .392 | .266 | .079 | ||
| Age | r | −.121 | .010 | −.092 | .082 | .103 | 1 | .066 | −.012 |
| P | .352 | .931 | .491 | .496 | .392 | .586 | .924 | ||
| Gest. age | r | .031 | −.121 | .018 | −.117 | −.134 | .066 | 1 | .118 |
| P | .724 | .347 | .884 | .381 | .266 | .586 | .328 | ||
| NMIS | r | .492** | .125 | .125 | −.185 | −.210 | −.012 | .118 | 1 |
| P | <0.001 | .239 | .304 | .135 | .079 | .924 | .328 | ||
Test of significance: Spearman’s correlation coefficient
Gest. age gestational age, NMIS number of miscarriages
*Correlation is significant at the 0.05 level (2-tailed); **Correlation is significant at the 0.01 level (2-tailed)