Table 1 Population characteristics of 2460 elderly people.

From: Age-specific serum thyrotropin reference range for the diagnosis of subclinical hypothyroidism and its association with lipid profiles in the elderly population

 

65–70 years

(n = 1187)

71–80 years

(n = 1012)

> 80 years

(n = 261)

P value

Age (years)

67.45 ± 1.65

74.96 ± 2.91

83.87 ± 2.90

< 0.001

Height (m)

1.58 ± 0.08

1.57 ± 0.09

1.53 ± 0.10

< 0.001

Weight (kg)

63.01 ± 9.98

60.27 ± 10.77

56.15 ± 11.14

< 0.001

BMI (kg/m2)

25.17 ± 3.57

24.57 ± 3.77

24.10 ± 4.09

< 0.001

TSH (mIU/L)

2.61 ± 4.26

2.86 ± 5.05

2.95 ± 3.00

< 0.001

TPOAb (IU/mL)

26.29 ± 71.14

22.00 ± 56.89

26.52 ± 69.72

0.735

TgAb (IU/mL)

61.83 ± 245.93

61.44 ± 293.44

100.02 ± 453.43

0.765

UIC (µg/L)

230.21 ± 65.24

236.51 ± 67.79

237.20 ± 67.98

0.075

TC (mmol/L)

5.01 ± 1.03

4.94 ± 1.10

4.91 ± 0.97

0.121

TGs (mmol/L)

1.49 ± 1.15

1.37 ± 0.86

1.30 ± 0.69

0.006

LDL-C (mmol/L)

2.94 ± 0.83

2.91 ± 0.87

2.86 ± 0.78

0.212

HDL-C (mmol/L)

1.35 ± 0.38

1.37 ± 0.40

1.42 ± 0.39

0.076

HbA1c (%)

5.96 ± 1.11

6.01 ± 1.04

5.91 ± 0.98

0.229

  1. BMI, body mass index; TSH, thyroid stimulating hormone; TPOAb, thyroid peroxidase; TgAb, thyroglobulin antibody; UIC, urine iodine concentration; TC, total cholesterol; TGs, triglycerides; LDL-C, low density lipoprotein cholesterol; HDL-C, high density lipoprotein cholesterol; HbA1c, glycosylated hemoglobin.
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