From: Prevalence of airflow obstruction in patients with stable systolic heart failure
No obstructive airflow obstruction | Obstructive airflow obstruction | ||||
---|---|---|---|---|---|
GOLD grade of airflow obstruction | |||||
Self-reported COPD | I | II | III | IV | |
Absent n (%) | 333 (65%) | 50 (10%) | 107 (21%) | 20 (4%) | 1 (0.2%) |
Present n (%) | 24 (34%) | 1 (1%) | 27 (38%) | 18 (25%) | 1 (1%) |