Significant relationships between HRCT emphysema score* and clinical and biological variables in patients with COPD
| r value | p value | |
|---|---|---|
| BODE, body mass index, airflow obstruction, dyspnoea, exercise performance; BMI, body mass index; MMRC, modified Medical Research Council; IC/TLC, inspiratory capacity/total lung capacity; FEV1, forced expiratory volume in 1 second; FVC, forced vital capacity; FRC, functional residual capacity; Kco, carbon monoxide transfer coefficient; RV, residual volume. | ||
| *Range 1.3–35.5%. †Log transformed value. | ||
| Clinical variables | ||
| BODE index | 0.589 | 0.008 |
| BMI (kg/m2) | −0.525 | 0.006 |
| Dyspnoea (MMRC score) | 0.581 | 0.004 |
| IC/TLC | −0.557 | 0.003 |
| FEV1 (% predicted) | −0.480 | 0.013 |
| FEV1/FVC (%) | −0.659 | 0.0003 |
| FRC (% predicted) | 0.587 | 0.002 |
| Kco (% predicted) | −0.615 | 0.0008 |
| RV (% predicted) | 0.414 | 0.03 |
| Biological variables | ||
| Eosinophils (×103 cells/mg)† | 0.409 | 0.04 |