Table 2.
Extraction of IPD.
| Year | Study | Eligible participants | Total participants | Design | Excluded (participant number) | Reasons for exclusiona |
|---|---|---|---|---|---|---|
| 1995 | Trousdale | 14 | 27 | Retrospective | 3,6,10,14,15,19,21–27 | Age, other |
| 2003 | Meier (GER) | 6 | 14 | Retrospective | All but 4,8–11,14 | Other, age, TUO, |
| 2006 | Price | 9 | 9 | Retrospective | None | – |
| 2007 | van Geenen | 17 | 21 | Retrospective | 6,12,20,21 | TUO, FU, age |
| 2008 | Muraseb | 4 | 22 | Prospective | All but 5,8,9,14 | Age |
| 2008 | Nagy | 7 | 17 | Retrospective | 2,6,7, 11–17 | Age, other |
| 2011 | Chia | 1 | 6 | Retrospective | All but 4 | Age |
| 2012 | Miyakeb | 9 | 20 | Retrospective | 1,4–7,13,15–18,20 | Age |
| 2013 | Kataokab | 1 | 9 | Retrospective | All but 5 | Age at trauma |
| 2014 | Boeckers (GER) | 1 | 5 | Retrospective | All but 4 | FU, TUO |
| 2015 | Walenkampb | 2 | 8 | Retrospective | All but 4,8 | Age, other |
| 2016 | Current study | 71 | 158 | Meta-analysis | — | — |
a
Age: age at trauma above 16 and/or osteotomy above 18 years; TUO: time until osteotomy <6 weeks; FU: follow-up <6 m.
b
Three-dimensional computer-assisted corrective osteotomy; GER: German.