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Table 1 Characteristics of studies included in the meta-analysis

From: Preoperative exercise and recovery after cardiac surgery: a meta-analysis

StudyYearNationAge(years)Gender(male/female)groupsnRecruitment time
Chen [13]2019China61.7 ± 7.9141/56Exercise98June 2018 to September 2018
Control99
Cho [14]2014Japan64.5 ± 11.769/3Exercise18February 2007 to January 2013
Control54
Shi [15]2008China57.3 ± 12.338/25Exercise35September 2005 to May 2006
Control28
Timmerman [16]2010Netherlands61.2 ± 12.729/10Exercise15January 2006 to June 2006
Control24
Tung [17]2012China53.2 ± 10.728/7Exercise15September 2010 to April 2011
Control20
Valkenet [18]2013Netherlands67.3 ± 11.2230/116Exercise94January 2008 to December 2009
Control252