Values are expressed as means ± SD (Hb: hemoglobin, Hct: hematocrit, RBC: red blood cell, MCV: mean corpuscular volume, MCH: mean corpuscular hemoglobin, MCHC: mean corpuscular hemoglobin concentration, WBC: white blood cell, Plt: platelet count, and RDW: red blood cell distribution width). : difference between the control group, before treatment of newly diagnosed COPD, and the exacerbation group; : difference between the control group, after treatment of newly diagnosed COPD, and the exacerbation group; < 0.05: difference from control, < 0.05: difference from before treatment of COPD, and < 0.05: difference from after treatment of COPD.
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