Proportion (%) of COPD patients with elevated blood eosinophil
GOLD	≥200 (cells/uL)	≥300 (cells/uL)	≥400 (cells/uL)
I (n=53)	67	42	21
II (n=93)	71	34	17
III/IV (n=38)	75	43	34
Total	70	38	21