Table 3.
Diagnosis and Postbronchodilator Spirometry at Baseline and 2-Year Follow-Up of the 106 Participants Diagnosed With COPD or ACO at Baseline Who Completed Follow-Up
| Variable | Baseline | Follow-Up |
|---|---|---|
| FEV1, L | 2.23 ± 0.97 | 2.05 ± 0.95 |
| FEV1, % predicted | 69.1 ± 2.6 | 64.6 ± 2.7 |
| FVC, L | 4.07 ± 1.2 | 3.69 ± 1.1 |
| FVC, % predicted | 102.7 ± 23.7 | 95.5 ± 23.4 |
| FEV1/FVC ratio | 0.54 ± 0.13 | 0.53 ± 0.14 |
| Diagnosis (GOLD) | ||
| ACO | 4 (3.8) | … |
| Asthma | … | 5 (4.7) |
| Normal | … | 7 (6.6) |
| Severity (GOLD) | ||
| Mild | 37 (34.9) | 23 (21.7) |
| Moderate | 39 (36.8) | 33 (31.1) |
| Severe | 15 (14.2) | 24 (22.7) |
| Very severe | 11 (10.4) | 14 (13.2) |
Values are presented as No. (%) or mean ± SD. ACO = asthma-COPD overlap; GOLD = Global Initiative for Chronic Obstructive Lung Disease.