Table 3.
Outcome scores of patients
| Outcome scores (% available at follow-up) | TKAs with RLLs (n=65) | TKAs without RLLs (n=70) | p -value |
|---|---|---|---|
| Pre-operative KSS | 46.0 ± 15.9 (80.0 %) |
42.8 ± 20.8 (80.0 %) |
0.38 |
| 3-month post-operative KSS | 86.5 ± 8.5 (78.5 %) |
82.8 ± 13.8 (72.9 %) |
0.11 |
| 1-year post-operative KSS | 75.6 ± 22.9 (70.8 %) |
83.4 ± 13.8 (72.9 %) |
0.06 |
| Pre-operative KSS Functional Score | 47.1 ± 20.6 (76.9 %) |
48.6 ± 18.9 (82.9 %) |
0.69 |
| 3-month post-operative KSS Functional Score | 68.1 ± 19.9 (76.9 %) |
66.3 ± 18.8 (74.3 %) |
0.66 |
| 1-year post-operative KSS Functional Score | 82.1 ± 14.3 (50.8 %) |
73.0 ± 15.0 (70.0 %) |
0.007 |
| Pre-operative OKS | 7.4 ± 10.4 (87.7 %) |
5.7 ± 8.7 (91.4 %) |
0.31 |
| 3-month post-operative OKS | 39.6 ± 5.0 (89.2 %) |
38.4 ± 5.4 (84.3 %) |
0.12 |
| 1-year post-operative OKS | 42.8 ± 5.7 (49.2 %) |
43.2 ± 4.5 (51.4 %) |
0.36 |
Legend: TKA (Total Knee Arthroplasty); RLL (Radiolucent Line); KSS (Knee Society Clinical Rating System Score); OKS (Oxford Knee Score)