Table 4. Pearson's Correlation Coefficients for the Relationships between Adiponectin Levels and the Clinical and Biochemical Characteristics of Elderly Prediabetic Patients and Elderly Subjects with Normal Glucose Tolerance.
| Characteristic | r | |
|---|---|---|
| NGT | Prediabetes | |
| BMI, kg/m2 | -0.164 | -0.249a |
| WC, cm | -0.244 | -0.282a |
| HC, cm | -0.168 | -0.132 |
| Waist-to-hip ratio | -0.182 | -0.321b |
| Total body fat, kg | -0.255a | 0.046 |
| Visceral fat, kg | -0.309a | -0.306b |
| Total body fat ratio | -0.110 | -0.138 |
| Visceral fat ratio | -0.268a | -0.326b |
| Total muscle, kg | -0.311a | -0.219 |
| SBP, mm Hg | 0.280 | 0.088 |
| DBP, mm Hg | -0.149 | -0.112 |
| Fasting glucose, mmol/L | -0.004 | -0.185 |
| 2-Hour glucose, mmol/L | 0.035 | -0.134 |
| Fasting insulin, pmol/L | -0.190 | -0.090 |
| 2-Hour insulin, pmol/L | -0.009 | -0.242a |
| HbA1c, % | -0.181 | -0.015 |
| HOMA-IR index | -0.184 | -0.110 |
| QUICKI | 0.153 | 0.175 |
| TC, mmol/L | 0.117 | -0.080 |
| TG, mmol/L | -0.355b | 0.013 |
| HDL-C, mmol/L | 0.323a | 0.038 |
| LDL-C, mmol/L | 0.125 | -0.139 |
| AST, U/L | -0.049 | 0.047 |
| ALT, U/L | -0.308a | -0.158 |
| γ-GTP, U/L | -0.229 | -0.154 |
| hs-CRP, mg/dL | -0.211 | -0.185 |
| Ferritin, µg/L | 0.162 | -0.034 |
Two-hour glucose and 2-hour insulin represent glucose and insulin levels at 120 minutes after a glucose challenge. r refers to Pearson's correlation coefficient.
NGT, normal glucose tolerance; BMI, body mass index; WC, waist circumference; HC, hip circumference; SBP, systolic blood pressure; DBP, diastolic blood pressure; HbA1c, glycated hemoglobin; HOMA-IR, homeostasis model assessment of insulin resistance; QUICKI, quantitative insulin sensitivity check index; TC, total cholesterol; TG, triglyceride; HDL-C, high density lipoprotein cholesterol; LDL-C, low density lipoprotein cholesterol; AST, aspartate aminotransferase; ALT, alanine aminotransferase; γ-GTP, gamma-glutamyl transpeptidase; hs-CRP, high-sensitivity C-reactive protein.
aP<0.05; bP<0.01.