Table 2 Insulin sensitivity/resistance, insulin secretion, and cardiometabolic risk factors in students with normal glucose tolerance and elevated 1 h plasma glucose.

From: Elevated 1 h post-load plasma glucose associates with decreased serum lipoprotein lipase in youth and decreased leg fat mass in midlife

 

Elevated 1 h plasma glucose

p values

No

Yes

n = 155

n = 10

Age (years)

20.4

 ± 

1.0

20.5

 ± 

0.8

0.699

Birth weight (g)

3208

 ± 

376

3032

 ± 

152

0.010

BMI (kg/m2)

20.9

 ± 

2.3

20.9

 ± 

2.4

0.963

Waist circumference (cm)

73.3

 ± 

5.6

72.1

 ± 

5.6

0.523

Fasting glucose (mg/dL)

83

 ± 

6

86

 ± 

10

0.407

30 min glucose (mg/dL)

120

 ± 

23

153

 ± 

32

 < 0.001

1 h glucose (mg/dL)

97

 ± 

24

171

 ± 

20

 < 0.001

2 h glucose (mg/dL)

89

 ± 

17

109

 ± 

20

 < 0.001

Fasting insulin (μU/mL)

5.8

 ± 

3.0

5.5

 ± 

4.5

0.747

30 min insulin (μU/mL)

55

 ± 

32

40

 ± 

25

0.159

1 h insulin (μU/mL)

41

 ± 

23

65

 ± 

37

0.077

2 h insulin (μU/mL)

35

 ± 

22

55

 ± 

34

0.097

HbA1c (%)

5.2

 ± 

0.2

5.3

 ± 

0.3

0.722

HOMA-IR

1.2

 ± 

0.7

1.2

 ± 

1.1

0.995

Insulinogenic index (IGI)

4.8

 ± 

13.4

0.5

 ± 

0.3

0.324

Oral Disposition index (ODI)

44.5

 ± 

131

3.5

 ± 

1.3

0.325

Matsuda index

9.0

 ± 

4.0

8.0

 ± 

4.2

0.425

AT-IR

2.8

 ± 

1.9

4.1

 ± 

4.5

0.366

log IGI

0.18

 ± 

0.53

 − 0.33

 ± 

0.25

0.003

log ODI

1.10

 ± 

0.54

0.51

 ± 

0.20

0.001

log AT-IR

0.37

 ± 

0.26

0.45

 ± 

0.37

0.339

Triglyceride (mg/dL)

55

 ± 

20

55

 ± 

22

0.950

Cholesterol (mg/dL)

186

 ± 

30

178

 ± 

26

0.440

HDL cholesterol (mg/dL)

74

 ± 

12

73

 ± 

13

0.747

LPL (ng/mL)

77

 ± 

19

57

 ± 

16

0.002

Leptin (ng/mL)

7.6

 ± 

3.7

7.1

 ± 

3.8

0.720

Adiponectin (µg/mL)

12.6

 ± 

4.6

9.0

 ± 

3.2

0.013

Systolic BP (mmHg)

110

 ± 

12

108

 ± 

13

0.725

Diastolic BP (mmHg)

66

 ± 

7

68

 ± 

8

0.335

  1. Mean ± SD. HOMA-IR: homeostasis model assessment insulin resistance, AT-IR: adipose tissue insulin resistance index, BP: blood pressure, LPL: lipoprotein lipase.