Table 1.
Characteristics of included studies of isolated tricuspid valve surgery
| Author(s) | Year | Country | Cohort date | Repair | Replacement | Aetiology | Age (years) | Female (%) | Follow-up |
| Alkhouli et al8 | 2018 | USA | Jan 2003–Dec 2014 | 569 | 765 | TR secondary | 55 | 56 | In-hospital |
| Axtell et al9 | 2019 | USA | Nov 2001–Mar 2016 | 143 | 28 | All TR | 61 | 54 | 2.6 years |
| Chen et al10 | 2019 | China | Jan 2005–Aug 2018 | 25 | 93 | TR past LHS | 55 | 79 | 2.7 years |
| Di Mauro et al11 | 2019 | Italy | 1983–2018 | 77 | 80 | TV IE | 47 | 24 | 19.1 years |
| Ejiofor et al12 | 2017 | USA | Jan 2002–Mar 2014 | 18 | 39 | All TV | 55 | 61 | 3.5 years |
| Farag et al13 | 2017 | Germany | 1995–2011 | 41 | 68 | All TR | 53 | 50 | N/A (long-term) |
| Gaca et al14 | 2013 | USA | 2002–2009 | 354 | 490 | TV IE | 41 | 49 | 30 days |
| Hamandi et al15 | 2019 | USA | 2007–2017 | 68 | 27 | All TV | 56 | 66 | N/A (long-term) |
| Kim et al16 | 2013 | South Korea | Sep 1996–July 2010 | 37 | 14 | All TR | 55 | 51 | 4.0 years |
| Kundi et al17 | 2019 | USA | 2003–2014 | 2494 | 2670 | All TV | 68 | 58 | 1.0 year |
| Moutakiallah et al18 | 2018 | Morocco | 2018 | 15 | 11 | TR RHD | 48 | 92 | 4.6 years |
| Oh et al19 | 2013 | New Zealand | 1965–2011 | 38 | 34 | All TV | 48 | 71 | 13.7 years |
| Protos et al20 | 2018 | USA | 2012–2016 | 12 | 26 | TV IE | 36 | 47 | 1.0 year |
| Raikhelkar et al21 | 2012 | USA | Nov 1998–Nov 2010 | 27 | 29 | All TV | 56 | 57 | 2.3 years |
| Vassileva et al7 | 2012 | USA | 1999–2008 | 2465 | 3271 | All TV | N/A | N/A | In-hospital |
| Zack et al6 | 2017 | USA | 2004–2013 | 425 | 616 | All TV | 60 | 58 | In-hospital |
IE, infective endocarditis; LHS, left heart surgery; N/A, not available; RHD, rheumatic heart disease; TR, tricuspid regurgitation; TV, tricuspid valve.