Table 2.
The median (5th–95th percentile range) values of clinical and laboratory parameters in patients with newly onset of thyrotoxicosis after delivery
| Postpartum destructive thyrotoxicosis n = 42 |
Postpartum Graves’ thyrotoxicosis n = 102 |
p value** | |
|---|---|---|---|
| Onset age (years) | 30.0 (22.1–38.0) | 31.5 (23–39) | 0.5416 |
| Onset time after delivery (months) | 3.0 (2.0–6.0) | 8.0 (4.0–12.0) | <0.001 |
| FT4 (ng/dl) | 2.20 (1.60–4.23) | 2.88 (1.84–4.84) | <0.001 |
| FT3 (pg/ml) | 7.77 (4.79–30.0) | 21.3 (6.62–30.0) | <0.001 |
| FT3/FT4 | 3.56 (2.56–7.01) | 6.25 (6.25–10.36) | <0.001 |
| Thyroid volume (g) | 22.8 (11.0–43.9) | 25.4 (14.8–57.8) | 0.2433 |
| Blood flow (%) | 1.4 (0.1–3.7) | 8.5 (2.6–24.4) | <0.001 |
| TRAb (IU/l) | 1.3 (1.3–1.4)* | 10.8 (2.7–116.6) | <0.001 |
| TgAb (IU/ml) | 337.6 (28.0–2176.6)* | 267.9 (28.0–1105.3)* | 0.4135 |
| TPOAb (IU/ml) | 16.0 (16.0–600.0)* | 87.0 (16.0–600.0)* | 0.026 |
| Positive rate of TRAb (%) | 0 | 100 | <0.001 |
| Positive rate of TgAb (%) | 88.1 | 76.5 | 0.1139 |
| Positive rate of TPOAb (%) | 45.1 | 64.7 | 0.031 |
*Undetectable levels of TRAb, TgAb and TPOAb less than 1.3 IU/l, 28.0 U/ml and 16.0 U/ml were respectively calculated as 1.3, 28.0 and 16.0. **Comparisons of various parameters between PPGr and PPT were performed by the Mann-Whitney U-test