Table 1. Demographics of participants providing fungal samples in the MicroCOPD study.
| Variable | Control, n = 100 | COPD, n = 93 |
|---|---|---|
| Age, mean years (SD) | 65.6 (8.5) | 67.5 (7.6) |
| Male, sex (%) | 57 (57.0) | 50 (53.8) |
| Number of medications, mean (SD) | 1.8 (1.7) | 5.2 (3.1) |
| Use of inhaled steroids (%) | - | 56 (60.2) |
| Number of comorbidities, mean (SD) | 0.8 (1.0) | 1.4 (1.2) |
| FEV1, mean % of predicted (SD) | 104.0 (12.3) | 61.1 (17.3) |
| FVC, mean % of predicted (SD) | 111.7 (13.6) | 98.6 (18.7) |
| FEV1/FVC-ratio, mean (SD) | 0.7 (0.1) | 0.5 (0.1) |
| Pack years, mean (SD) | 16.6 (14.3) | 30.0 (17.9) |
| Smoking status (%) | ||
| Daily | 24 (24.0) | 22 (23.7) |
| Ex-smokers | 58 (58.0) | 70 (75.3) |
| Never | 18 (18.0) | 1 (1.1) |
| mMRC Grade 2 and higher (%)* | ||
| Grade 2: Dyspnoea when walking at level ground | 3 (3.0) | 16 (17.6) |
| Grade 3: Dyspnoea when walking 100 meters | - | 12 (13.2) |
| Grade 4: Dyspnoea at rest | - | 2 (2.2) |
FEV1: forced expiratory volume in 1 second, FVC: forced vital capacity, mMRC: modified medical research council dyspnoea scale.
* Two participants with COPD missed information on mMRC.