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单纯慢阻肺与ACO患者的流行病学资料

Epidemiological data of patients with COPD and ACO

Index	COPD	ACO	Total
Number	508	295	803
Male(%)	484(95.2%)	242(82.0%)	726(90.4%)
Age(Mean±SD, year)	62.76±9.56	60.07±10.15	61.77±9.86
Smoking history(pack-years)	30(20, 40)	30(10, 38)	30(20, 40)
FENO(ppb)	16(11, 22)	32(19, 51)	20(13, 32)
FEV1(L)	1.42±0.69	1.40±0.63	1.41±0.67
FVC(L)	2.81±0.84	2.81±0.88	2.81±0.85
FEV1/FVC(%)	49.85±14.43	50.22±13.63	49.99±14.13
FEV1%(%)	53.76±22.05	53.14±19.94	53.53±21.29
Mild	78	41	119
Moderate	182	114	296
Severe	159	111	270
Very severe	89	29	118
The disease course of initially diagnosed	3(0.5, 8)	3(1, 9)	3(0.5, 8)