|
Characteristics
|
N = 103
|
|---|
|
Age, years
|
66 (48 ~ 76)
|
|
Male gender
|
80 (77.7)
|
|
Smokers
|
80 (77.7)
|
|
Brinkman index
|
630 ± 581
|
|
BNP, pg/ml
|
28.7 ± 38.7
|
|
Pulmonary function test
|
|
FVC, % pred
|
86.8 ± 20.3
|
|
DLCO, % pred
|
63.7 ± 20.3
|
|
Arterial blood gas analysis
|
|
PaO2, Torr
|
82.4 ± 11.4
|
|
PaCO2, Torr
|
41.0 ± 3.6
|
|
Six-minute walk test
|
|
Six-minute walk distance, m
|
608 ± 140
|
|
Min-SpO2, %
|
85.0 ± 7.6
|
- Values are presented as number (%), mean ± standard deviation or median (range). Definitions of abbreviations: BNP brain natriuretic peptide, FVC forced vital capacity, % pred percent of normal predicted value, D
L
CO diffusing capacity of the lung for carbon monoxide, PaO
2
partial pressure of oxygen in arterial blood, PaCO
2
partial pressure of carbon dioxide in arterial blood, min-SpO
2
minimum oxygen saturation during 6-min walk test
