Table 3. Summary of studies included in the meta-analysis.
| Author | Country | Year | n | Mean follow-up (years) | Design | Reference |
|---|---|---|---|---|---|---|
| Bernhardt | Germany | 2011 | 88 | 3.2 | Retro | (16) |
| Cameron | United States | 2009 | 372 | NR | Retro | (17) |
| Coselli | United States | 2014 | 316 | 1 | Pro | (18) |
| de Oliveira | Canada | 2003 | 105 | S=5.3, R=3.7 | Retro | (19) |
| Gott | Multicentric | 1999 | 675 | NR | Pro | (20) |
| Karck | Germany | 2004 | 119 | S=2.5, R=9.5 | Retro | (21) |
| Moreau de Bellaing | France | 2019 | 15 | 6.8 | Retro | (22) |
| Nicolò | Italy | 2017 | 59 | 8.1 | Retro | (23) |
| Patel | United States | 2008 | 140 | NR | Retro | (24) |
| Price | United States | 2016 | 165 | 17 | Retro | (25) |
| Roubertie | France | 2009 | 15 | 7.4 | Retro | (26) |
| Schoenhoff | Switzerland | 2015 | 59 | S=6.5, R=8.8 | Pro | (27) |
| Sheick-Yousif | Israel | 2008 | 40 | S=4.4, R=2.1 | Retro | (28) |
| Song | United States | 2014 | 200 | S=6.2, R=10.5 | Retro | (29) |
| Volguina | Multicentric | 2009 | 151 | 0.1 | Pro | (30) |
| Zehr | United States | 2004 | 83 | S=6.3, R=15 | Retro | (31) |
NR, not reported; VS, valve sparing procedure; VR, valve replacement procedure; Retro, retrospective; Pro, prospective.