Table 3 Comparison of gestational age and the thyroid hormones in preeclamptic and normal pregnant women
Characteristics | n | Preeclamptic (Mean) | Normal (Mean) | SMD (95% CI) | Test of SMD = 0 | Heterogeneity | Egger’s test | |||
|---|---|---|---|---|---|---|---|---|---|---|
z | p | \({{\varvec{I}}}^{2}\)(%) | p | t | P | |||||
Gestational age | 37 | 35.32 | 38.2 | -0.50(-0.99,-0.46) | 5.33 |  < .001 | 94.0 |  < .001 | 2.11 | .170 |
TSH | 56 | 3.55 | 1.85 | 1.70(1.39,2.02) | 10.62 |  < .001 | 96.5 |  < .001 | 6.09 |  < 0.001 |
TT4 | 38 | 25.26 | 39.12 | -0.82(-1.16,-0.49) | 4.80 |  < .001 | 95.2 |  < .001 | -3.32 | .002 |
TT3 | 38 | 63.55 | 62.22 | -0.88(-1.36,-0.41) | 3.63 |  < .001 | 97.3 |  < .001 | -1.89 | .113 |
FT4 | 22 | 3.83 | 4.99 | 0.002(-0.27, 0.27) | 0.02 | .980 | 90.8 |  < .001 | -1.50 | .160 |
FT3 | 28 | 2.88 | 0.90 | -0.59(-0.91,-0.27) | 3.19 |  < .001 | 94.4 |  < .001 | -2.46 | .043 |