Table 3.
Demographic and clinical outcome data in recently published studies concerning surgical treatment of patients with Hoffa fracture.
| First author | Publication year | Study period | Patients (M/F) |
Letenneur classification |
Mean Age (years) | Treatment | Screw direction | Mean follow-up (months) | Mean time to bone union (weeks) | Mean ROM | Mean KSS | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| I | II | III | |||||||||||
| Onay9 | 2018 | January 2000–December 2010 | 13 (11/2) | 7 | 3 | 3 | 27.5 | Two screws | AP/PA | 93 | N/A | 110° | 78.4 |
| Singh18 | 2017 | 2011–2014 | 7 (5/2) | N/A | N/A | N/A | 39.8 | Two screws | AP | 28 | N/A | 111° | 87.5 |
| Trikha16 | 2017 | January 2010–March 2015 | 32 (25/7) | N/A | N/A | N/A | 34.7 | Two screws or two screws and plate | AP | >12 | 11.6 | 116° | 83.2 |
| Xu14 | 2016 | April 2004–July 2013 | 11 (8/3) | 7 | 0 | 4 | 38.5 | Three screws | AP/Cross | 27.1 | 11.4 | N/A | 88.8 |
| 16 (11/5) | 10 | 0 | 6 | 38.2 | Two screws | AP | 11.9 | N/A | 87.9 | ||||
| Zhao8 | 2016 | May 2006–May 2014 | 17 (13/4) | 8 | 4 | 5 | 32.5 | Two or three screws and plate | PA | 14.6 | 20.1 | N/A | 91.1 |
| Gao7 | 2015 | February 2005–February 2013 | 13 (8/5) | 3 | 6 | 4 | 49 | One or two screws and plate | PA | 23.5 | 15.2 | 124.6° | 85.6 |
| Current study | 2018 | May 2009–December 2016 | 24 (15/9) | 8 | 6 | 10 | 37.2 | Two screws and plate | AP/PA | 12 | 15 | 126.2° | 88.3 |
| 21 (12/9) | 7 | 6 | 8 | 32.6 | Two screws | AP/PA | 12 | 17.1 | 120.5° | 84.2 | |||
Data presented as n prevalence or mean value.
M, male; F, female; AP, anterior to posterior; PA, posterior to anterior; ROM, range of movement; KSS, Knee Society Score.