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Table 1 Characteristics of the study population

From: Anti-thyroid peroxidase antibody and thyroid cysts among the general Japanese population: a cross-sectional study

 

Total

Men

Women

No. of participants

1432

532

900

No. of case (%)

469 (32.8)

146 (27.4)

323 (35.9)

TPO-Ab, (< 16) IU/mL

9 [7, 13]*1

9 [7, 12]*1

9 [7, 13]*1

Age, year

60.9 ± 9.0

62.4 ± 8.7

59.9 ± 9.1

TSH, (0.39–4.01) μIU/mL

1.59 [1.11, 2.28]*1

1.53 [1.07, 2.16]*1

1.61 [1.13, 2.33]*1

Free T3, (2.1–4.1) pg/mL

3.2 ± 0.3

3.3 ± 0.3

3.1 ± 0.3

Free T4, (1.0–1.7) ng/dL

1.2 ± 0.2

1.3 ± 0.2

1.2 ± 0.1

BMI, kg/m2

22.8 ± 3.4

23.6 ± 3.1

22.4 ± 3.5

SBP, mmHg

125 ± 17

129 ± 14

123 ± 18

Anti-hypertensive medication, %

30.9

38.7

26.3

HbA1c, %

5.6 ± 0.6

5.7 ± 0.7

5.6 ± 0.6

TG, mg/dL

105 ± 73

123 ± 91

95 ± 56

HDLc, mg/dL

61 ± 15

54 ± 14

64 ± 14

Menopause, %

50.3

–

80.0

  1. TPO-Ab anti-thyroid peroxidase antibody, TSH thyroid-stimulating hormone, free T3 free triiodothyronine, free T4 free thyroxine, BMI body mass index, SBP systolic blood pressure, TG triglycerides, HDLc high-density lipoprotein cholesterol
  2. No. of case is the number of participants with thyroid cyst. Values are mean ± standard deviation
  3. *1Values are median [the first quartile, third quartile]. Normal range of measurements are ( )