Table 1: Characteristics of the study subjects.
|
Total number |
N = 13 |
|
Gender (male/female) |
10/3 |
|
Age |
77.3 ± 3.31 |
|
Stage (GOLD I/II) |
8/5 |
|
Smoking status |
|
|
Never |
4 |
|
Former |
7 |
|
Current |
2 |
|
Pack-years |
|
|
Never |
ND |
|
Former |
47.9 ± 35.2 |
|
Current |
23.7 ± 8.69 |
|
Emphysema (±) |
4/9 |
|
FVC (l) |
2.37 ± 0.56 |
|
FEV1 (l) |
1.50 ± 0.39 |
|
FEV1/ FVC (%) |
63.2 ± 4.41 |
|
FEV1 % pred (%) |
83.8 ± 16.3 |
|
PEF (l/s) |
4.05 ± 1.63 |
|
MEF50 (l/s) |
1.25 ± 0.44 |
|
MEF25 (l/s) |
0.39 ± 0.13 |
Abbreviations: FEV1: Forced Expiratory Volume in 1.0 s; FVC: Forced Vital Capacity; PEF: Peak Expiratory Flow; MEF50: Maximum Expiratory Flow at 50% of FVC; MEF25: Maximum Expiratory Flow at 25% of FVC.