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Table 4 Coefficients of correlation values between erythrocyte anti-oxidation enzyme activities with FEV1 (% predicted) in COPD patients

From: Altered antioxidant enzyme activity with severity and comorbidities of chronic obstructive pulmonary disease (COPD) in South Indian population

Study parameters Correlation coefficients (r)*
Superoxide dismutase (U/mg protein) -0.182*
Catalase (U/mg protein) -0.263*
Glutathione s transferase (U/mg protein) 0.630**
Glutathione peroxidase (U/mg protein) 0.030
Glutathione reductase (U/mg protein) -0.094
Total antioxidant status (μM Fe2+/1) -0.183*
  1. Significance of correlation between erythrocyte antioxidant enzyme activities with FEV1 (% predicted). *p < 0.05, **p < 0.001, ‘r’ denotes Pearson correlation coefficient
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COPD Research and Practice

ISSN: 2054-9040

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