Open Access
Review
Table 1
Studies characteristics.
| Authors | Year | Study design | Flexion contracture measurement technique | Postoperative flexion contracture measurement follow up | Downs and Black score |
|---|---|---|---|---|---|
| Kinoshita et al. [19] | 2021 | Cohort | Goniometer | 6 month | 17 |
| Chai et al. [22] | 2021 | Cohort | NA | 27 month | 18 |
| Matziolis et al. [23] | 2020 | Cohort | Navigation | Peri-operative | 17 |
| Leie et al. [24] | 2019 | Cohort | Navigation | Peri-operative | 20 |
| Okamoto et al. [25] | 2019 | Case-controlled | Goniometer | 24 month | 21 |
| Kim et al. [26] | 2017 | Cohort | Navigation | Peri-operative | 18 |
| Okamoto et al. [27] | 2016 | Cohort | Goniometer | Peri-operative | 16 |
| Liu et al. [28] | 2016 | Cohort | Navigation | Peri-operative | 21 |
| Nagai et al. [29] | 2015 | Cohort | Radiographs | 4 week | 19 |
| Okamoto et al. [30] | 2014 | Cohort | Radiographs | 12 month | 20 |
| Bin Abd Razak et al. [31] | 2014 | Cohort | Goniometer | 24 month | 17 |
| Debette et al. [32] | 2014 | Cohort | Goniometer | 12 month | 21 |
| Koh et al. [20] | 2013 | Case-controlled | Goniometer | 35 month (24–72 month) | 18 |
| Onodera et al. [33] | 2013 | Cohort | NA | NA | 16 |
| Meftah et al. [34] | 2012 | Cohort | NA | 37 month (20–59 month) | 16 |
| Lustig et al. [21] | 2012 | Case-controlled | Goniometer | 12 month | 18 |
| Su [12] | 2012 | Surgical technique | NA | NA | NA |
| Goudie et al. [11] | 2011 | Case-controlled | Goniometer | 24 month | 17 |
| Smith et al. [35] | 2010 | Cohort | Photographs with skin markings | Peri-operative | 20 |
| McAllister and Stepanian [36] | 2008 | Cohort | Goniometer | 12 month | 20 |
| Chaudhary et al. [37] | 2008 | RCT | Goniometer | 24 month | 22 |
| Asano et al. [38] | 2008 | Cohort | Goniometer | 12 month | 14 |
| Ritter et al. [13] | 2007 | Cohort | Goniometer | Minimum 72 month | 17 |
| Scuderi and Kochhar [39] | 2007 | Surgical technique | NA | NA | NA |
| Bellemans et al. [40] | 2006 | Cohort | Goniometer | 24 month | 18 |
| Berend et al. [41] | 2006 | Cohort | Goniometer | 38 month (1.6–77.0 month) | 17 |
| Bengs and Scott [42] | 2006 | Cohort | Goniometer | Peri-operative | 21 |
| Gatha et al. [43] | 2004 | Cohort | Goniometer | 51 month (24–72 month) | 16 |
| Mihalko and Whiteside [44] | 2003 | Cohort | NA | 70 month (12–120 month) | 16 |
| Whiteside and Mihalko [45] | 2002 | Cohort | Goniometer | 24 month | 17 |
| Firestone et al. [46] | 1992 | Cohort | Goniometer | 53 month | 15 |
NA: Non available; RCT: randomized controlled trial.
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