Table 3. Univariate correlation analysis between selected variables and measures of insulin sensitivity and β-cell function in the whole study population.
| ISI | IGI | ODI | ||||
|---|---|---|---|---|---|---|
| R | p-value | R | p-value | R | p-value | |
| Age | -0.6 | 0.70 | -0.31 | 0.07 | -0.28 | 0.08 |
| Sex | -0.9 | 0.59 | 0.03 | 0.86 | -0.07 | 0.68 |
| Duration | -0.14 | 0.38 | -0.03 | 0.84 | -0.12 | 0.45 |
| BMI | -0.14 | 0.38 | -0.11 | 0.53 | -0.13 | 0.41 |
| sBP | -0.52 | 0.001 | 0.03 | 0.87 | -0.38 | 0.02 |
| dBP | -0.45 | 0.004 | -0.03 | 0.85 | -0.35 | 0.03 |
| DAS28-CRP | -0.30 | 0.85 | 0.07 | 0.73 | -0.06 | 0.70 |
| ESR | -0.19 | 0.27 | 0.16 | 0.39 | -0.07 | 0.67 |
| C3 | -0.43 | 0.006 | -0.07 | 0.70 | -0.37 | 0.02 |
| C4 | -0.04 | 0.81 | -0.21 | 0.23 | -0.20 | 0.22 |
| hsCRP | -0.17 | 0.29 | 0.17 | 0.33 | -0.21 | 0.18 |
Legend: ISI, insulin sensitivity index; IGI, insulinogenic index; ODI, oral disposition index; BMI, body mass index; sBP, systolic blood pressure; dBP, diastolic blood pressure; DAS28-CRP, disease activity score including 28 joints and C-reactive protein; ESR, erythrocyte sedimentation rate; hsCRP, high-sensitivity C-reactive protein.