Table 2.
Correlation among RBP4, 25(OH)D, and the other indicators in DM groups (n = 33).
| Indicator | RBP4 | 25(OH)D | ||
|---|---|---|---|---|
| r | P | r | P | |
| TG | 0.304 | 0.036 | −0.223 | 0.127 |
| HDL-c | −0.282 | 0.077 | 0.382 | 0.007 |
| LDL-c | 0.195 | 0.229 | −0.359 | 0.018 |
| TC | 0.136 | 0.157 | 0.093 | 0.407 |
| FPG | 0.079 | 0.595 | −0.043 | 0.793 |
| FINS | 0.376 | 0.008 | −0.129 | 0.429 |
| Weight | 0.096 | 0.556 | −0.103 | 0.529 |
| RBP4 | — | — | −0.324 | 0.025 |
| HOMA-IR | 0.513 | <0.001 | −0.428 | 0.002 |
| HOMA-β | −0.281 | 0.079 | 0.311 | 0.031 |
| SBP | 0.363 | 0.011 | −0.270 | 0.092 |
| CRP | 0.342 | 0.018 | 0.172 | 0.138 |
| AI1 | 0.402 | <0.001 | −0.314 | 0.035 |
| AI2 | 0.419 | <0.001 | −0.378 | 0.002 |
| 25(OH)D | −0.328 | 0.023 | — | — |
TG: triglycerides; HDL-c: high-density lipoprotein cholesterol; LDL-c: low-density lipoprotein cholesterol; TC: total cholesterol; FPG: fasting plasma glucose; FINS: fasting insulin; RBP4: retinol-binding protein 4; HOMA-IR: homeostasis model assessment of insulin resistance; HOMA-β: homeostasis model assessment β-cell function index; SBP: systolic blood pressure; CRP: C-reactive protein; AI1: atherogenic index; AI2: atherogenic index 2; 25(OH)D: 25-hydroxyvitamin D.