4.2 Characteristic of the included studies
The study characteristics of the included fourteen studies25-38 are shown in Table 1 .
All were randomized clinical trials and published from 2006 to 2021. The
total number of individuals included in our meta-analysis was 2883,
about half of whom were pretreated with statin before cardiac surgery.
The trials were conducted in 9 different countries and four continents.
We evaluated the potential role of statin pretreatment in preventing
POAF.