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Table 5 Thyroid function test results of subjects with and without thyroid nodules (based on PSM)

From: Adjusted association between type 2 immunity and low risk thyroid nodules: a retrospective cohort study

Variables

With thyroid nodules (N = 586)

Without thyroid nodules (N = 586)

P value

TgAb (positive rate, ≥115 IU/L)

4.6

2.3

< 0.05*

TPOAb (positive rate, ≥34 IU/L)

4.4

2.8

< 0.05*

TSH (median, IQR mU/L)

1.95 (1.36)

1.96 (1.44)

0.27

Free T3 (pmol/L)

5.24 ± 0.88

5.20 ± 0.77

0.45

Free T4 (pmol/L)

16.56 ± 2.52

16.56 ± 2.13

0.26

  1. Matching variables included age, gender, cigarette smoking and alcohol drinking
  2. Values represent mean ± standard deviation (X ± s), the values of TgAb, TPOAb and TSH were clarified non-normal distribution, shown as positive rate in terms of the medical reference range or IQR (interquartile range)
  3. TgAb thyroglobulin antibody, TPOAb antithyroid peroxidase antibody, TSH thyroid-stimulating hormone
  4. *P < 0.05, **P < 0.01