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Changes in NYHA functional class in relation to basal heart rate and rhythm
| Change in NYHA class | Low BHR (n=123) | High BHR (n=134) | AF (n=45) | SR (n=212) |
| Improved | 62 | 70 | 28 | 104 |
| Unchanged | 69 | 48 | 17 | 100 |
| Worse | 4 | 4 | 0 | 8 |
Values are numbers of patients.
AF, atrial fibrillation; BHR, basal heart rate; NYHA, New York Heart Association; SR, sinus rhythm.
