ACO	asthma–COPD overlap
ACT	asthma control test
ATS	American Thoracic Society
BA	bronchial asthma
CAT	COPD assessment test
COPD	chronic obstructive pulmonary disease
CRP	C-reactive protein
DLCO	diffusing capacity of the lung for carbon monoxide
d–ROMs	derivatives–reactive oxygen metabolites
ERS	European Respiratory Society
FeNO	fractional exhaled nitric oxide
FEV1	forced expiratory volume in 1 s
FVC	forced vital capacity
GINA	Global Initiative for Asthma
GOLD	Global Initiative for Chronic Obstructive Lung Disease
HRCT	high-resolution computed tomography
ICS	inhaled corticosteroids
IgE	immunoglobulin E
IL	interleukin
JRS	Japanese Respiratory Society
LAA	low attenuation area
LAMA	long-acting muscarinic antagonists
LABA	long-acting beta2-agonists
OCS	oral corticosteroids
ROC	receiver operating characteristic
ROS	reactive oxygen species
SAA	serum amyloid A
SGRQ	St. George’s Respiratory Questionnaire
TNF-α	tumor necrosis factor alpha
WBC	white blood cell