Table 1.
Mean ± SD | |
Number | 23 |
Age (year) | 64.8 ± 10.6 |
Men (%) | 11 (47.8%) |
Body mass index (kg/m2) | 27.7 ± 6.6 |
FEV1 (L) | 0.84 ± 0.32 |
FEV1 (% predicted) | 30.8 ± 14.8 |
PaO2 (mmHg) | 58.6 ± 10.0 |
PaCO2 (mmHg) | 44.5 ± 9.8 |
CRQ score | 4.1 ± 1.1 |
Dyspnea | 3.0 ± 1.0 |
Fatigue | 3.5 ± 1.3 |
Emotion | 4.9 ± 1.3 |
Mastery | 4.5 ± 1.4 |
Six-minute walk test (m) | 286.0 ± 123.6 |
SPD (ng/mL)* | 74.7 (49.2–128.7) |
CC16 (μg/L)* | 4.6 (3.8–8.7) |
CRP (mg/L)* | 3.5 (1.1–9.8) |
* Median and interquartile range.
Abbreviations: CC16 – Clara cell protein, CRP – C-reactive protein, SPD – Lung surfactant protein D, FEV1 – forced expiratory volume in one second.