Different criteria used to determine the New York Heart Association (NYHA) class of a patient
| Criteria used to determine the NYHA class | % of cardiologists |
|---|---|
| Cardiologists could state multiple criteria for assessment. | |
| Self-reported walking distance | 70 |
| Difficulty in climbing stairs | 60 |
| Ability to walk to local landmarks | 30 |
| Breathlessness interferes with daily activities | 23 |
| Breathless when walking around the house | 23 |
| No specific questions | 13 |