From: Identifying airway obstruction in primary care: is there a role for physiotherapists?
 | TOTAL n = 145 | AT RISK of COPD n = 114 | EXISTING COPD n = 31 |
---|---|---|---|
Mean post-bronchodilator FEV1/FVC (SD) | 0.74 (0.1) | 0.77 (0.1) | 0.62 (0.1) |
Mean post-bronchodilator FEV1 (SD) | 2.43 (0.9) | 2.63 (1.0) | 1.64 (0.7) |
Airway obstruction (FEV1/FVC ≤ 0.7) | 43 (30%) | 19 (17%) | 24 (77%) |
GOLD Stage I | 14 (10%) | 9 (8%) | 5 (16%%) |
GOLD Stage II | 27 (19%) | 10 (9%) | 17 (55%) |
GOLD Stage III | 2 (1%) | 0 (0%) | 2 (6%) |
GOLD Stage IV | 0 (0%) | 0 (0%) | 0 (0%) |
No obstruction | 99 (68%) | 95 (83%) | 7 (23%) |