Table 1. Subject characteristics
| COPD group (n=33) | Control group (n=15) | p value | |
|---|---|---|---|
| Mean ± SD | Mean ± SD | ||
| Age | 56.8±7.6 | 51.8±4.2 | 0.03 |
| BMI, kg/m2 | 24.5±4.9 | 26.5±3 | 0.009 |
| Pack-year history | 42.4±29.3 | 24.8±23.8 | 0.03 |
| Duration of illness, yr | 8.9±6 | 0 | <0.001 |
| Systolic BP, mmHg | 130.1±19.9 | 118±16.1 | 0.03 |
| Diastolic BP, mmHg | 79.7±11.9 | 72.3±8.6 | 0.009 |
| CRP, mg/dl | 6.04±4.5 | 3.4±1.1 | 0.03 |
| % FEV1 | 44.4±17.5 | 119.1±18.3 | <0.001 |
| % FVC | 57.2±16 | 104±15.3 | <0.001 |
| Avarage saturation in 24 hours | 90.8±3.7 | 94.9±1.2 | <0.001 |
| T%90 | 32.3±33.18 | 3.42±10.1 | <0.001 |
| Mean CAIMT | 0.802±0.19 | 0.65±0.07 | 0.005 |
HsCRP: High sensitive CRP, T%90: Time below 90% saturation.