Table 4

 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 distance70
Difficulty in climbing stairs60
Ability to walk to local landmarks30
Breathlessness interferes with daily activities23
Breathless when walking around the house23
No specific questions13