A. Structural outcomes | ||||||
Time (month) | Femorotibial angle (°) | Posterior tibial slope (°) |  |  |  |  |
0 | -2.6 ± 4.6 (-11.8–2.7) | 5.9 ± 3.5 (0.8–13.8) |  |  |  |  |
12 | 8.6 ± 2.3 (4.9–11.6) | 7.6 ± 3.5 (1.5–14.9) |  |  |  |  |
Paired T test* | p < 0.0001 | p = 0.04 |  |  |  |  |
B. VAS | ||||||
Time (month) | VAS (mm) | Â | Â | Â | Â | Â |
0 | 62.5 (30.0, 5.0–95.0) |  |  |  |  |  |
1 | 40.0 (20.0, 0.0–65.0)a |  |  |  |  |  |
3 | 25.0 (10.0, 0.0–40.0)a,b |  |  |  |  |  |
6 | 14.5 (10.0, 0.0–30.0)a,b,c |  |  |  |  |  |
12 | 10.0 (2.5, 0.0–20.0)a,b,c |  |  |  |  |  |
Friedman test | χ2(4) = 68.9, p < 0.0001 |  |  |  |  |  |
C. WOMAC | ||||||
Time (month) | Total | Pain | Stiffness | Physical function | Â | Â |
0 | 40.2 (21.8, 25.2–91.2) | 8.4 (5.6, 2.0–18.4) | 5.4 (3.7, 0.8–7.6) | 30.2 (14.8, 17.2–65.6) |  |  |
1 | 32.2 (18.0, 10.4–47.6)a | 6.8 (3.8, 0.0–9.6)a | 3.6 (2.0, 0.0–6.0)a | 22.6 (10.6, 8.0–34.8)a |  |  |
3 | 22.8 (9.9, 4.4–40.8)a,b | 4.8 (2.4, 0.0–7.2)a,b | 2.4 (1.8, 0.8–4.0)a,b | 15.4 (8.0, 1.6–29.6)a,b |  |  |
6 | 15.4 (9.4, 3.6–23.2)a,b,c | 2.8 (1.8, 0.8–5.6)a,b,c | 1.6 (0.6, 0.4–2.4)a,b,c | 11.2 (6.4, 1.6–15.6)a,b,c |  |  |
12 | 10.0 (5.5, 2.8–20.4)a,b,c,d | 2.0 (1.2, 0.0–4.4)a,b,c,d | 0.8 (0.5, 0.4–1.6)a,b,c | 6.8 (4.2, 1.2–14.4)a,b,c |  |  |
Friedman test | χ2(4) = 76.2, p < 0.0001 | χ2(4) = 66.0, p < 0.0001 | χ2(4) = 57.6, p < 0.0001 | χ2(4) = 74.8, p < 0.0001 |  |  |
D. KOOS | ||||||
Time (month) | Total | Symptoms | Pain | Function, ADL | Function, sports and recreational activities | Quality of life |
0 | 210.9 ± 65.5 (59.3–346.3) | 57.6 ± 13.3 (36.1–77.8) | 52.6 ± 18.9 (5.6–86.1) | 57.5 ± 15.3 (17.6–85.3) | 31.3 ± 18.5 (0.0–70.0) | 6.3 (18.8, 0.0–43.8) |
1 | 257.9 ± 62.6 (174.0–364.4) | 67.8 ± 12.3 (50.0–91.7) | 61.4 ± 18.2 (33.3–91.7) | 64.9 ± 12.0 (47.1–83.8) | 38.5 ± 15.7 (20.0–70.0) | 25.0 (10.9, 6.3–50.0)a |
3 | 319.7 ± 58.4 (208.4–405.7)a,b | 75.1 ± 8.0 (61.1–88.9)a,b | 70.8 ± 13.7 (50.0–97.2)a,b | 72.8 ± 14.3 (47.1–94.1)a,b | 52.5 ± 14.2 (20.0–75.0)a,b | 50.0 (9.4, 12.5–68.8)a,b |
6 | 368.8 ± 43.8 (269.1–433.0)a,b,c | 81.9 ± 7.0 (66.7–100.0)a,b,c | 74.7 ± 11.0 (52.8–97.2)a,b | 79.9 ± 12.1 (55.9–94.1)a,b,c | 66.0 ± 8.5 (50.0–75.0)a,b,c | 75.0 (20.3, 43.8–81.2)a,b,c |
12 | 387.3 ± 36.6 (320.6–451.4)a,b,c | 82.9 ± 6.0 (66.7–94.4)a,b,c | 79.3 ± 11.2 (55.6–97.2)a,b,c | 83.5 ± 8.1 (70.6–95.6)a,b,c | 70.3 ± 9.5 (50.0–85.0)a,b,c | 75.0 (6.3, 50.0–87.5)a,b,c |
Repeated measures ANOVA | F(2.0, 38.3) = 75.2, p < 0.0001 | F(2.1, 40.1) = 30.9, p < 0.0001 | F(2.0, 38.2) = 26.3, p < 0.0001 | F(1.7, 33.1) = 29.8, p < 0.0001 | F(2.8, 52.5) = 45.9, p < 0.0001 | χ2(4) = 72.0, p < 0.0001†|