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Table 1 Characteristics of study population

From: Association between thyroid-stimulating hormone (TSH) and proteinuria in relation to thyroid cyst in a euthyroid general population

 

Thyroid cyst

p

(−)

(+)

No. of participants

1070

525

 

Men, %

40.6

28.8

< 0.001

Postmenopausal women, %

44.7

59.8

< 0.001

Age, year

59.7 ± 9.4

62.0 ± 8.2

< 0.001

free T3, pg/mL

3.18 ± 0.32

3.15 ± 0.31

0.079

free T4, ng/dL

1.26 ± 0.16

1.24 ± 0.15

0.117

TSH, μIU/mL

1.52 [1.09, 2.14]*1

1.54 [1.07, 2.16]*1

0.689*2

TSHI

2.59 ± 0.52

2.57 ± 0.53

0.648

SPINA-GT, pmol/s

3.7 ± 1.4

3.7 ± 1.3

0.497

SPINA-GD, nmol/s

28.3 ± 3.8

28.3 ± 3.9

0.963

BMI, kg/m2

22.8 ± 3.3

22.6 ± 3.4

0.414

SBP, mmHg

124 ± 17

126 ± 17

0.003

DBP, mmHg

73 ± 11

74 ± 10

0.032

Current smoker, %

15.4

11.6

0.041

Daily drinker, %

41.2

39.6

0.542

HbA1c, %

5.6 ± 0.6

5.6 ± 0.5

0.055

TG, mg/dL

107 ± 81

101 ± 60

0.157

HDLc, mg/dL

60 ± 15

62 ± 15

0.110

GFR, mL/min/1.73 m2

71.8 ± 13.2

71.5 ± 12.7

0.633

  1. T3 triiodothyronine, T4 thyroxine, TSH thyroid-stimulating hormone, TSHI Jostel’s TSH index, SPINA-GT maximum thyroid secretory capacity, SPINA-GD overall activity of peripheral deiodinases, BMI body mass index, SBP systolic blood pressure, DBP diastolic blood pressure, HbA1c hemoglobin A1c, TG triglycerides, HDLc high-density lipoprotein cholesterol, GFR glomerular filtration rate. Values are mean ± standard deviation
  2. *1: Values are median [the first quartile, third quartile]. Regression model for mean values was used for determining p values.
  3. *2: Logarithmic transformation was used for evaluating p