Effect of atrial fibrillation pattern on survival in a community-based cohort

  • Keating R
  • Gersh B
  • Hodge D
 et al. 
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The clinical presentation of recurrent atrial fibrillation (AF) has been categorized into 3 general patterns: paroxysmal, persistent, and permanent AF. This community-based cohort study characterized the effect of the AF pattern on survival. Community residents in Olmsted County, Minnesota, with electrocardiographically proven new-onset AF during 1996 and 1997 were retrospectively identified and prospectively followed. Observed survival was estimated using the Kaplan-Meier method and compared with the expected survival. Log-rank tests were used for group comparisons. The association between the baseline variables and mortality was assessed using Cox proportional hazards models. Of 270 patients (mean ± SD age 73 ± 14 years; 148 men [55%]), 143 had paroxysmal AF, 40 had persistent AF, and 87 had permanent AF. The cohort's observed survival was significantly worse than expected (p

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  • Richard J. Keating

  • Bernard J. Gersh

  • David O. Hodge

  • Peggy L. Weivoda

  • Philip J. Patel

  • Stephen C. Hammill

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