| Study | Published Year | Total Knees | Study Type | Scoring System | Functional Outcome Scoring | Complications |
|---|---|---|---|---|---|---|
| Oni &Mackeney [4] | 1985 | 3 | Case Series | Not used | Not used | Flexion contracture Quadriceps tendon rupture Confusion |
| Insall et al [5] | 1989 | 13 | Retrospective analysis |
Hoehn and Yahr Classification | Hospital for special surgery knee score | Flexion contracture. Bilateral patellar fracture.confusion. patellar subluxation. Deep vein thrombosis. Pulmonary embolism. Urinary tract infection, skin necrosis. intestinal ileus. |
| Fast et al [10] | 1994 | 1 | Case report | Hoehn and Yahr Classification | Not used | None |
| Duffy and Trousdale [6] | 1996 | 33 | Retrospective analysis | Columbia Classification | Knee Society Score (KSS) | Confusion, patellar subluxation, deep vein thrombosis, superficial infection, myositis ossificans, wound necrosis, respiratory tract infection,reoperation deep infections, patella fracture |
| Erceg, Maricevic [11] | 2000 | 1 | Case report | Not used | Not used | Recurrent posterior tibial dislocation |
| Shah et al [9] | 2004 | 1 | Case report | Columbia Classification | Not used | Flexion contracture, diabetic coma, pneumonia, urinary tract infection |
| Tinning et al [7] | 2013 | 32 | Case control study | Not used | Knee Society Score (KSS) and Knee Society Function Score (KSFS) |
Functional outcome study |
| Jämsen et al [8] | 2014 | 567 | National Joint registry data | Not used | Not used | Surgical site infection deep infection increased mortality prolonged hospital stay |