Table 3. Multivariable linear regression of HbA1c levels.
| All | |||
|---|---|---|---|
| Variables | β | 95% CI | p-value |
| Age (years) | -0.009 | -0.014 to -0.003 | 0.002 |
| Male vs. female | 0.029 | -0.116 to 0.174 | 0.693 |
| CVD | 0.030 | -0.113 to 0.173 | 0.680 |
| BMI (kg/m2) | 0.002 | -0.015 to 0.020 | 0.795 |
| MAP (mmHg) | -0.002 | -0.007 to 0.003 | 0.421 |
| eGFR (ml/min/1.73 m2) | 0.012 | 0.005 to 0.018 | <0.001 |
| Log UPCR | 0.308 | 0.146 to 0.469 | <0.001 |
| Albumin (g/dl) | -0.210 | -0.343 to -0.077 | 0.002 |
| Hemoglobin (g/dl) | |||
| In total population | 0.099 | 0.058 to 0.141 | <0.001 |
| In Hb ≥ 10 g/dl* | 0.014 | -0.054 to 0.082 | 0.689 |
| In Hb < 10 g/dl* | 0.146 | 0.047 to 0.245 | 0.004 |
| Log cholesterol | 2.098 | 1.524 to 2.672 | <0.001 |
| Log CRP | 0.059 | -0.011 to 0.130 | 0.097 |
| Phosphate (mg/dl) | -0.063 | -0.133 to 0.006 | 0.072 |
Abbreviations: Hb, hemoglobin; CVD, cardiovascular disease; BMI, body mass index; MAP, mean arterial pressure; eGFR, estimated glomerular filtration rate; UPCR, urine protein-to-creatinine ratio; CRP, C-reactive protein.
* Segmental linear regression with the same variables
P < 0.05 indicates a significant association with HbA1c levels.