Table 7 Multivariate logistic regression analysis adusted odds ratio (95%CL) for antioxidant enzyme activities with COPD comorbidities: type 2 diabetes, pulmonary hypertension and cardiovascular
| Variables |
COPD co-morbidities | OR | 95% CI | p-values |
|---|---|---|---|---|
| Superoxide dismutase (U/mg protein) | T2D | 1.99 | -1.11 – 2.49 | 0.453 |
| PHT | 1.61 | -0.57 – 1.53 | 0.374 | |
| CVD | 2.32 | -0.35 – 2.04 | 0.169 | |
| Catalase (U/mg protein) | T2D | 1.98 | -0.62 – 2.00 | 0.306 |
| PHT | 0.80 | -1.14 – 0.70 | 0.642 | |
| CVD | 1.77 | -0.30 – 1.45 | 0.199 | |
| Glutathione s transferase (U/mg protein) | T2D | 0.90 | -1.39 – 1.18 | 0.873 |
| PHT | 1.41 | -0.57 – 1.26 | 0.462 | |
| CVD | 2.51 | 0.00 – 1.84 | <0.049 | |
| Glutathione peroxidase (U/mg protein) | T2D | 0.04 | -6.60 – 0.53 | <0.096 |
| PHT | 0.82 | -1.12 – 0.72 | 0.677 | |
| CVD | 0.63 | -1.52 – 0.59 | 0.392 | |
| Glutathione reductase (U/mg protein) | T2D | 0.58 | -1.76 – 0.70 | 0.400 |
| PHT | 0.52 | -1.67 – 0.40 | 0.228 | |
| CVD | 0.57 | -1.60 – 0.49 | 0.299 | |
| Total antioxidant status (μM Fe2+/l) | T2D | 1.04 | -1.07 – 1.16 | 0.934 |
| PHT | 1.26 | -0.61 – 1.08 | 0.589 | |
| CVD | 1.69 | -0.45 – 1.50 | 0.291 |