Table 1 Physiological characteristics of study population.
COPD Patients (n = 16) | Non-COPD Smokers (n = 13) | p value | |
|---|---|---|---|
Age, yr | 57.5 ± 9.9 | 56.8 ± 11.1 | NS |
Sex (M/F) | 13/3 | 11/2 | NS |
Weight, kg | 77.1 ± 23.2 | 69.1 ± 15.1 | NS |
Height, m | 1.71 ± 0.09 | 1.71 ± 0.10 | NS |
BMI, kg/m2 | 26.03 ± 6.85 | 23.40 ± 3.84 | NS |
PostBD-FEV1, % | 55.38 ± 13.7 | 100.77 ± 9.64 | <0.01 |
FVC, % | 82.31 ± 12.13 | 104.45 ± 7.87 | <0.01 |
Post-BD-FEV1/FVC, % | 53.06 ± 10.41 | 77.08 ± 2.96 | <0.01 |
TLC, % | 110.56 ± 19.22 | 97.77 ± 9.42 | <0.01 |
RV, % | 155.69 ± 49.63 | 96.89 ± 28.01 | <0.01 |
KCO, % | 69.63 ± 21.07 | 87.30 ± 10.00 | <0.01 |
Smoking status, Current/Former | 8/8 | 6/7 | NS |
Pack years of smoking | 44.44 ± 15.03 | 25.92 ± 9.37 | <0.05 |
Moderate/Severe COPD | 10/6 | - | - |
MMRC Dyspnea scale | 2.13 ± 0.62 | - | - |
Distance walked in 6 min, m | 339 ± 90 | - | - |
BODE Index | 3.25 ± 2.66 | - | - |