Table 3.
Correlation coefficients between indices of insulin resistance and glucose infusion rate during the meal tolerance test
| 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 |
Correlation coefficients were determined using Pearson’s product moment correlation coefficient test.
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.