Conventional TKA (n = 164) | Ra-TKA (n = 186) | P Value | |
---|---|---|---|
Oxford Knee Score | |||
Preoperative | 23.7 (8.4)** | 23.6 (7.7)** | 0.887 |
6 month | 40.0 (36.0–44.0) | 41.0 (40.0–41.8) | 0.896 |
1 year | 41.0 (40.0–41.3) | 43.0 (42.0–45.8) | 0.355 |
2 year | 44.0 (39.0–47.0) | 45.0 (41.0–47.0) | 0.526 |
SF-12 Physical | |||
Preoperative | 29.6 (25.1–36.3) | 31.5 (27.3–37.9) | 0.096 |
6 month | 44.6 (42.1–47.6) | 44.6 (42.9–48.1) | 0.780 |
1 year | 49.4 (37.4–52.6) | 49.4 (43.2–54.6) | *0.023 |
2 year | 47.9 (36.6–54.8) | 51.2 (39.6–55.5) | *0.020 |
SF-12 Mental | |||
Preoperative | 55.4 (43.5–63.1) | 56.6 (45.7–62.1) | 0.903 |
6 month | 57.8 (57.6–59.0) | 57.8 (55.8–57.8) | 0.079 |
1 year | 56.3 (51.6–60.0) | 56.3 (52.9–58.3) | 0.370 |
2 year | 57.8 (51.0–60.6) | 57.3 (51.7–59.3) | 0.415 |