Fig. 2From: CD4+CD25highCD127- regulatory T-cells in COPD: smoke and drugs effectComparison with the percentages of CD4+CD25highCD127- regulatory T-cells in the peripheral blood at t0. Data are expressed as mean ± SEM. ** = p < 0.01; *** = p < 0.001. NSHV: never-smoker healthy volunteers; CSHV: current smokers healthy volunteers; FSC: former smoker COPD patients; CSC: current smoker COPD patientsBack to article page