Table 1 Anthropometric and metabolic features of young and middle-aged women.

From: Associations of adipose insulin resistance index with pancreatic β cell function (inverse) and glucose excursion (positive) in young Japanese women

 

Young

Middle-aged

p values

n = 168

n = 65

Age (years)

20.4 ± 1.0

48.9 ± 3.4

 < 0.001

BMI (kg/m2)

20.8 ± 2.3

21.7 ± 2.6

0.011

Fasting glucose (mg/dL)

84 ± 7

89 ± 9

 < 0.001

30-min glucose (mg/dL)

123 ± 25

138 ± 31

 < 0.001

1-h glucose (mg/dL)

103 ± 32

133 ± 42

 < 0.001

2-h glucose (mg/dL)

92 ± 21

113 ± 28

 < 0.001

Fasting insulin (μU/mL)

5.8 ± 3.1

4.7 ± 2.8

0.013

30-min insulin (μU/mL)

54 ± 32

39 ± 24

0.001

1-h insulin (μU/mL)

42 ± 25

42 ± 24

0.987

2-h insulin (μU/mL)

36 ± 24

37 ± 29

0.865

ΔGlucose30 (mg/dL)

39 ± 24

49 ± 27

0.005

ΔInsulin30 (μU/mL)

48 ± 30

34 ± 23

0.001

AUCg (mg/dL/2 h)

205 ± 41

248 ± 56

 < 0.001

AUCi (μU/mL/2 h)

78 ± 36

71 ± 38

0.180

HbA1c (%)

5.2 ± 0.2

5.5 ± 0.3

 < 0.001

HOMA-IR

1.2 ± 0.7

1.1 ± 0.7

0.146

AT-IR

2.9 ± 2.1

2.7 ± 1.8

0.415

Insulinogenic index

4.6 ± 13.0

1.0 ± 1.0

0.029

Disposition index

43 ± 128

9.2 ± 10.3

0.034

Matsuda index

8.9 ± 4.0

9.5 ± 4.6

0.309

  1. Mean ± SD. AUCg and AUCi: area under the concentration curve of plasma glucose and serum insulin, respectively.
  2. BMI body mass index, AT-IR adipose tissue insulin resistance, HOMA-IR homeostasis-model assessment-insulin resistance, ΔGlucose30 and ΔInsulin30 incremental 30 min glucose and insulin concentrations, respectively.
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