Primary outcomes
|
AKP during chair rise median (VAS 0–10)
|
0 (0–7)
|
0 (0–7)
|
0.5
|
AKP during chair rise (yes/no %)
|
22/78
|
14.9/85.1
|
0.3
|
AKP during stair climb median (VAS 0–10)
|
0 (0–8)
|
0 (0–7)
|
0.8
|
AKP during stair climb (yes/no %)
|
16/84
|
17/83
|
0.9
|
Secondary outcomes
|
Ability to rise from chair (able/unable %)
|
97.9/2.1
|
95.2/4.8
|
0.6*
|
Ability to climb stairs (able/unable%)
|
97.9/2.1
|
97.9/4.8
|
0.6*
|
Range of motion (ROM) (degrees)
|
Flexion
|
110 (80–130)
|
110 (85–130)
|
0.9
|
Extension
|
0 (−10–5)
|
−0 (−10–5)
|
0.7
|
Total
|
110 (70–130)
|
110 (85–130)
|
0.9
|
KSS
|
Pain
|
94.0 (62–100)
|
95 (61–100)
|
0.8
|
Function
|
80 (30–100)
|
87.5 (5–100)
|
0.8
|
Total
|
174.5 (102–200)
|
178.5 (95–200)
|
0.8
|
RAND-36
|
Physical functioning
|
55 (5–100)
|
55 (0–100)
|
0.6
|
Social role functioning
|
75 (25–100)
|
75 (0–100)
|
0.7
|
Physical role functioning
|
25 (0–100)
|
25 (0–100)
|
0.7
|
Emotional role functioning
|
100 (0–100)
|
67 (0–100)
|
0.3
|
Mental health
|
68 (4–100)
|
72 (20–100)
|
0.5
|
Vitality
|
60 (0–100)
|
65 (15–90)
|
0.9
|
Bodily pain
|
67 (12–100)
|
67 (0–100)
|
0.7
|
General health perceptions
|
65 (10–95)
|
55 (10–95)
|
0.6
|
General health change
|
50 (25–75)
|
50 (0–100)
|
0.6
|
Patellar tilt median (degrees)
|
30 degrees flexion
|
1 (0–15)
|
0.5 (0–17)
|
0.4
|
60 degrees flexion
|
0 (0–15)
|
0 (0–20)
|
0.6
|
90 degrees flexion
|
0 (0–16)
|
0 (0–20)
|
0.4
|
Patellar tilt mean (degrees + SD)
|
30 degrees flexion
|
2.56 ± 3.62
|
1.98 ± 3.58
| |
60 degrees flexion
|
1.96 ± 3.15
|
1.80 ± 3.82
| |
90 degrees flexion
|
1.81 ± 3.25
|
1.40 ± 3.42
| |