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Table 2 The median (5th–95th percentile range) values of clinical and laboratory parameters in patients with newly onset of thyrotoxicosis after delivery

From: Comparative frequency of four different types of pregnancy-associated thyrotoxicosis in a single thyroid centre

 

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

  1. *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