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Table 3 Thyroid function before and after treatment with L-T4 in patients with IH

From: Serum lipid profile in relation to free thyroxine and the effect of levothyroxine treatment on lipids in patients with isolated hypothyroxinemia during pregnancy: a single-center retrospective study

Thyroid function

L-treatment group,

(n= 77)

Dietary treatment group,

(n = 87)

Before

After

Before

After

TSH,average,mIU/L

2.07±0.75a

1.50±0.80b

1.86±0.58

1.86±0.77

FT4,average,ng/L

4.86±0.22b

5.86±0.76c

4.90±0.26

5.54±0.70

  1. aThe basic serum TSH and FT4 levels of the two groups were similar (P = 0.060, P = 0.287). bTSH levels in the L-treatment group were significantly different from the dietary treatment group data after the intervention (1.50 vs 1.86 mIU/L, P = 0.005). cFT4 levels in the L-treatment group were statistically higher than those in the dietary treatment group data after the intervention (5.86 vs 5.54 ng/L, P = 0.005)