Condition | Percentage of patients |
---|---|
*COAD and asthma; †pulmonary fibrosis, pleural effusion, carcinoma, obesity; ‡peripheral vascular disease (varicose veins or arterial insufficiency) medications, arthritis, chronic lymphoedema, etc. | |
Hypertensive heart disease | 19.2 |
Obstructive airways diseases* | 11 |
Atrial fibrillation | 6.3 |
Valvar heart disease | 5.4 |
Ischaemic heart disease | 3.3 |
Significant others† | 2.3 |
Possible others‡ | 2.7 |
No obvious cause established | 49.5 |