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Table 3 Correlation coefficients between indices of insulin resistance and glucose infusion rate during the meal tolerance test

From: 20/(fasting C-peptide × fasting plasma glucose) is a simple and effective index of insulin resistance in patients with type 2 diabetes mellitus: a preliminary report

Index

All patients

GIR 5–10 mg·kg–1·min–1

(n= 15)

(n = 10)

 

r

P

r

P

HOMA-IR

−0.74

< 0.005

−0.49

0.15

ISI

0.66

< 0.01

0.20

0.56

QUICKI

0.76

< 0.001

0.50

0.14

F-IRI

−0.66

< 0.01

−0.42

0.22

ΣIRI(0–180 min)

−0.59

< 0.05

−0.26

0.54

F-CPR

−0.71

< 0.01

−0.75

< 0.05

F-CPR × FPG

−0.81

< 0.0005

−0.83

< 0.005

1/(F-CPR × FPG)

0.83

< 0.0005

0.90

< 0.0005

20/(F-CPR × FPG)

0.83

< 0.0005

0.90

<0.0005

CPI

−0.52

< 0.05

−0.62

0.06

CLIX

0.40

0.12

0.23

0.52

P-CPR × PPG

−0.58

< 0.05

−0.48

0.16

(F-CPR + P-CPR) × (FPG + PPG)

−0.68

< 0.005

−0.63

< 0.05

BMI

−0.54

< 0.05

−0.27

0.45

Waist circumference

−0.11

0.69

−0.13

0.71

TG/HDL

−0.11

0.67

−0.32

0.35

Plasma adiponectin

0.52

< 0.05

0.65

< 0.05

  1. Correlation coefficients were determined using Pearson’s product moment correlation coefficient test.
  2. GIR glucose infusion rate, HOMA-IR homeostasis model assessment of insulin resistance, ISI insulin sensitivity index, QUICKI quantitative insulin sensitivity check index, F-IRI fasting immunoreactive insulin, F-CPR fasting C-peptide immunoreactivity, FPG fasting plasma glucose, CPI C-peptide index, P-CPR 2-h postprandial C-peptide immunoreactivity, PPG 2-h postprandial plasma glucose, BMI body mass index, TG triglyceride, HDL-C high-density lipoprotein cholesterol.
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Cardiovascular Diabetology

ISSN: 1475-2840