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Table 2 Characteristics of population based case-control studies comparing bisphosphonates users and controls with regard to atrial fibrillation

From: Bisphosphonates and atrial fibrillation: Bayesian meta-analyses of randomized controlled trials and observational studies

Author, year Publication N †AF/BP users versus
AF/non-BP users
Age (mean) Study duration (years)
Heckbert, 2008 Full text 1685 47/87 versus
672/1598
72.7 3*
Sorensen, 2008 Full text 81505 724/3862 versus 12862/77643 76.1 6**
Abrahamsen, 2009 Full text 43033 797/14302 versus 1280/28731 74.3 10***
  1. † Number of cases of AF in bisphosphonate users versus number of cases of AF in non-bisphosphonate users
  2. * Atrial fibrillation occurred between 1st October 2001 and 31st December 2004
  3. ** Atrial fibrillation occurred between 1999 and 2005
  4. ***Atrial fibrillation occurred between 1st January 1996 and 31st December 2005
  5. Abbreviations: N, number of subjects in the study; AF, atrial fibrillation; BP, bisphosphonates