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

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

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***

† Number of cases of AF in bisphosphonate users versus number of cases of AF in non-bisphosphonate users
* Atrial fibrillation occurred between 1^st October 2001 and 31^st December 2004
** Atrial fibrillation occurred between 1999 and 2005
***Atrial fibrillation occurred between 1^st January 1996 and 31^st December 2005
Abbreviations: N, number of subjects in the study; AF, atrial fibrillation; BP, bisphosphonates

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