| Controls (a) | COPDNoMW (b) | COPDMW (c) | ANOVA p-value | p-value a vs b | p-value a vs c | p-value b vs c |
---|---|---|---|---|---|---|---|
Gender, M/F | 10/10 | 11/7 | 10/12 | – | – | – | – |
Age, yrs | 61.3 (2.17) | 60.8 (2.19) | 62.4 (1.34) | 0.84 | – | – | – |
Weight, kg | 72 (2.59) | 75.3 (3.42) | 71.1 (3.94) | 0.67 | – | – | – |
BMI, kg.m−2 | 25.4 (0.76) | 27.3 (1.18) | 25.8 (1.41) | 0.53 | – | – | – |
FEV1, L | 3.12 (0.2) | 1.34 (0.14) | 1.23 (0.09) | < 0.001 | < 0.001 | < 0.001 | 0.62 |
FEV1, % pred | 113.9 (3.2) | 50.5 (4.21) | 47.4 (3.18) | < 0.001 | < 0.001 | < 0.001 | 0.53 |
FEV1/FVC | 0.74 (0.11) | 0.51 (0.32) | 0.49 (0.27) | < 0.001 | < 0.001 | < 0.001 | 0.53 |
PaO2, mmHg | – | 72.2 (2.07) | 65.4 (1.55) | – | – | – | < 0.01* |
PaCO2, mmHg | – | 40.1 (1.59) | 40.1 (1.1) | – | – | – | 0.99* |
Smoking history (pack-years) | 7.3 (12.5) | 38.9 (26.9) | 45.5 (24) | < 0.001 | < 0.001 | < 0.001 | 0.39 |
Number of comorbidities | – | 2 (1.2) | 2.2 (1.1) | – | – | – | 0.63* |