Table 2.
Correlations between plasma coenzyme Q10 and the ratios of coenzyme Q10 to lipid profiles, lipid peroxidation, and antioxidant enzyme activities after adjusting for the potential confounders.
| Plasma coenzyme Q10 (μmol/L) | Coenzyme Q10/TC (μmol/mmol) | Coenzyme Q10/TG (μmol/mmol) | Coenzyme Q10/LDL-C (μmol/mmol) | |
|---|---|---|---|---|
| β 1 (P value) | ||||
|
| ||||
| MDA (μmol/L) | ||||
| Model 12 | −0.72 (<0.05) | −3.81 (0.03) | −0.22 (0.30) | −2.16 (0.02) |
| Model 23 | −0.02 (0.96) | −0.69 (0.70) | −0.01 (0.97) | −0.02 (0.99) |
| Model 34 | −0.06 (0.87) | −0.75 (0.68) | 0.02 (0.93) | −0.00 (1.00) |
| CAT (U/mg protein) | ||||
| Model 1 | 99.23 (<0.01) | 502.66 (<0.01) | 46.72 (0.03) | 276.78 (<0.01) |
| Model 2 | 54.09 (0.13) | 293.29 (0.08) | 26.74 (0.19) | 137.34 (0.16) |
| Model 3 | 44.31 (0.22) | 233.31 (0.18) | 16.24 (0.47) | 115.06 (0.25) |
| SOD (U/mg protein) | ||||
| Model 1 | −14.77 (<0.01) | −63.53 (<0.01) | −8.95 (<0.01) | −38.12 (<0.01) |
| Model 2 | −12.51 (<0.01) | −51.66 (0.01) | −7.87 (<0.01) | −32.15 (<0.01) |
| Model 3 | −12.16 (<0.01) | −50.85 (0.01) | −8.31 (<0.01) | −32.20 (<0.01) |
| GPx (U/mg protein) | ||||
| Model 1 | 2.22 (<0.01) | 8.45 (0.04) | 0.69 (0.15) | 5.02 (0.02) |
| Model 2 | 0.08 (0.92) | −1.50 (0.69) | −0.11 (0.79) | −1.89 (0.39) |
| Model 3 | 0.03 (0.98) | −1.58 (0.69) | −0.34 (0.47) | −2.04 (0.37) |
1Regression coefficient (N = 153).
2None adjusted.
3Adjusted for age and gender.
4Same as for model 2 and also adjusted for systolic blood pressure, waist to hip ratio, creatinine, and smoking.
CAT: catalase activity; GPx: glutathione peroxidase; LDL-C: low density lipoprotein-cholesterol; MDA: malondialdehyde; SOD: superoxide dismutase; TC: total cholesterol; TG: triglyceride.