In the Clinical Cardiology article entitled "Clinical Course of Hypertrophic Cardiomyopathy
in a Regional United States Cohort," published in the February 17, 1999,
issue of THE JOURNAL (1999;281:650-655), Figure 4B on page 653 was
reproduced with an incorrect key. The correct
designation appears in Figure 4B
and shows that atrial fibrillation occurring in 50 patients with
hypertrophic cardiomyopathy conveyed diminished longevity compared with
227 patients with this disease who were in sinus rhythm.