Table 1 Clinical characteristics of the Low MCRI group and the High MCRI group.

From: Correlates of insulin clearance in apparently healthy non-obese Japanese men

 

Total

Low-MCRI

High-MCRI

p value

n

49

25

24

 

MCRI (ml/min per m2)

594.1 (561–663)

561.3 (534–576)

668.8 (616–715)

<0.001

Age (years)

40 (36–45)

40 (35–46)

41 (37–44)

0.682

BMI (kg/m2)

23.1 ± 1.0

23.4 ± 0.9

22.9 ± 1.1

0.085

Systolic blood pressure (mmHg)

118.6 ± 7.0

117.8 ± 7.0

119.5 ± 7.0

0.403

Diastolic blood pressure (mmHg)

75.4 ± 5.7

74.3 ± 5.7

76.5 ± 5.7

0.182

Fasting plasma glucose (mg/dl)

93.2 ± 6.8

93.6 ± 7.6

92.9 ± 6.0

0.714

Fasting serum insulin (μU/mL)

4.9 ± 2.1

5.70 ± 1.76

4.05 ± 2.02

0.004

Fasting serum C-peptide (ng/ml)

1.23 ± 0.38

1.33 ± 0.33

1.14 ± 0.40

0.077

AUC-glucose during OGTT (mg·min/dl·103)

21.3 ± 2.9

21.7 ± 2.9

20.9 ± 2.8

0.294

AUC-insulin during OGTT (μU·min/ml·103)

5.2 ± 2.8

6.1 ± 2.8

4.3 ± 2.6

0.020

HOMA-IR

1.13 ± 0.49

1.32 ± 0.45

0.93 ± 0.46

0.004

MATSUDA index

6.7 (4.2–10.9)

5.5 (3.7–7.7)

8.7 (6.1–12.1)

0.008

Free fatty acid (μEq/L)

335 ± 105

352 ± 97

318 ± 112

0.261

Triglyceride (mg/dl)

108 ± 46

109 ± 34

107 ± 57

0.899

High density lipoprotein cholesterol (mg/dl)

59.0 ± 13.8

58.9 ± 13.8

59.1 ± 13.8

0.951

HbA1c (%)

4.9 ± 0.2

4.8 ± 0.2

4.9 ± 0.2

0.566

High molecular weight-adiponectin (ng/ml)

1.82 ± 1.21

1.68 ± 1.27

1.97 ± 1.15

0.416

C reactive protein (ng/ml)

177 (125–490)

259 (156–502)

148 (89–379)

0.348

Intramyocellular lipid in TA (S-fat/Cre)

3.2 ± 1.9

3.4 ± 1.7

3.0 ± 2.1

0.525

Intramyocellular lipid in SOL (S-fat/Cre)

12.8 ± 6.8

14.2 ± 7.0

11.3 ± 6.4

0.150

Intra hepatic lipid (%)

1.0 (0.1–2.0)

1.0 (0.1–2.7)

0.7 (0.2–1.6)

0.085

Total body fat content (%)

20.1 ± 5.0

22.2 ± 4.5

18.0 ± 4.6

0.002

Abdominal visceral fat area (cm2)

75.3 ± 28.0

82.1 ± 28.6

68.3 ± 26.0

0.085

Abdominal subcutaneous fat area (cm2)

106 ± 40

125 ± 33

87.6 ± 37.9

0.001

VO2peak (ml/kg per min)

36.0 ± 7.0

33.7 ± 5.8

38.5 ± 7.5

0.015

Daily Physical Activity (METs · h)

4.98 ± 2.24

4.69 ± 1.35

5.28 ± 2.89

0.365

Daily alcohol intake (g/day)

20.0 ± 24.8

19.6 ± 19.7

20.4 ± 29.7

0.919

  1. Data are mean ± SD or median (interquartile range).
  2. MCRI; metabolic clearance rate for serum insulin, HOMA-IR; homeostasis model assessment of insulin resistance, TA; tibialis anterior muscle, S-fat; methylene signal intensity, VO2peak; peak oxygen consumption, AUC; area under the curve, OGTT; oral glucose tolerance test.