CRP and chronic obstructive pulmonary disease: There were no significant differences in inflammatory parameters, such as CRP (mean 5.2 mg/mL vs 7.5 mg/mL, NS), leukocytes (mean 9.0 x 10 9/L vs 8.3 x 10 9/L, NS), and eosinophils (mean 0.2 vs 0.2, NS) between hypogamma-COPD and non-hypogamma-COPD.