Table 2
Patient characteristics.
| Case no. | Age | Gender | Aetiology of TKA | Patella | BMI | ASA | Previous knee surgeries | PS | CDI | PT | ROM | HKA | Femoral rotation | Tibial rotation |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 70 | F | Post-traumatic | Dislocated | 31 | 2 | 4 | 3.72 | 0.7 | 30 | 0–100 | 181 | Not available | Not available |
| 2 | 71 | F | Idiopathic OA | Dislocated | 40 | 3 | 2 | −0.5 | 1.26 | 37 | 0–110 | 178 | 0 | 6 |
| 3 | 83 | F | Post-traumatic | Dislocated | 30 | 3 | 3 | 4.46 | 0.71 | 40 | 0–85 | 178 | 1 | 11 |
| 4 | 70 | M | Revision for infection | Dislocated | 37 | 3 | 4 | 5 | 0.45 | 47 | 0–120 | 177 | 0 | 5 |
| 5 | 73 | F | HTO | Dislocated | 35 | 2 | 2 | 4.7 | 0.45 | 65 | 0–130 | 176 | −3 | 10 |
PS = Lateral patella shift measurements (cm). Negative values indicate medial displacement and positive values indicate lateral displacement; PT = Lateral patella tilt; CDI = Caton-Deschamp Index; ROM = Range-of-motion; ASA = American Society of Anaesthesiologist grade; HKA = Hip-Knee-Angle as measure on long leg plain radiograph; BMI = Body mass index; Femoral rotation = As measured on CT scan relative to the trans-epicondylar axis. Negative values indicate external rotation, positive values indicate internal rotation; Tibial rotation = As measured on CT scan relative to the centre of the tibial-tuberosity. Positive values indicate internal rotation.
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