Table 2

Summary of studies systematically investigating death in low-risk patients undergoing cardiac surgery

First author (year)Period of studyPatients, nDeaths, n (%)Preventable (%)
Freed (2009)41996–2005429416 (0.37)7 (44)
Janiec (2010)52001–2009392415 (0.38)2 (13)
Cakalagaoglu (2013)62002–2007257024 (0.93)11 (46)
Farid (2013)72006–201225497 (0.27)3 (43)
Current study2009–2019310311 (0.35)6 (55)