|
Approach
|
Mean (SD)
| |
95% Cl
| |
P value
|
|---|
|
Anterior
|
Lateral
|
Anterior
|
Lateral
| |
|---|
|
XSMFA functional index
| | | | | |
|
Preoperative
|
35.2 (16.1)
|
40.5(16.0)
|
31.4-38.6
|
36.3-43.7
|
0.053a
|
|
6 weeks
|
21.2 (14.2)
|
28.5(15.9)
|
17.8-24.2
|
23.7-32.3
|
0.026a
|
|
3 months
|
12.7(12.5)
|
18.8 (16.1)
|
9.2-14.8
|
13.7-22.3
|
0.023a
|
|
6 months
|
11.6(12.1)
|
15.8 (15.4)
|
8.3-13.7
|
10.7-19.3
|
0.094a
|
|
12 months
|
10.3(13.0)
|
15.1 (16.3)
|
7.3-13.3
|
10.5-19.5
|
0.040a
|
|
XSMFA bother index
| | | | | |
|
Preoperative
|
48.7 (20.5)
|
53.0 (17.9)
|
43.4-52.6
|
48.8-57.2
|
0.126a
|
|
6 weeks
|
26.6 (19.8)
|
33.0 (18.3)
|
21.6-30.5
|
28.1-37.9
|
0.055a
|
|
3 months
|
19.8 (17.0)
|
33.0 (18.1)
|
15.2-22.9
|
28.1-37.9
|
0.099a
|
|
6 months
|
16.8 (15.8)
|
25.1 (17.9)
|
12.4-19.6
|
20.0-30.0
|
0.149a
|
|
12 months
|
15.8 (18.0)
|
21.7 (19.6)
|
10.8-19.1
|
9.6-20.4
|
0.056a
|
|
T25-FW (s)
| | | | | |
|
Preoperative
|
22.4 (5.2)
|
24.0 (3.9)
|
20.8-23.2
|
23.1-24.9
|
0.193a
|
|
6 weeks
|
21.3(6.3)
|
22.0 (4.2)
|
19.6-22.4
|
20.0-23.1
|
0.385a
|
|
3 months
|
18.5 (3.7)
|
19.4 (3.8)
|
17.2-18.8
|
17.0-19.0
|
0.291a
|
|
6 months
|
18.3 (4.1)
|
19.9 (5.5)
|
17.1-18.9
|
17.5-20.5
|
0.040a
|
|
12 months
|
18.1 (3.4)
|
19.8 (4.6)
|
17.2-18.8
|
17.7-20.3
|
0.046a
|
|
Activity VAS
| | | | | |
|
Preoperative
|
5.0 (0.8)
|
4.9 (0.8)
|
4.8-5.2
|
3.8-4.2
|
0.461a
|
|
6 weeks
|
6.9 (0.7)
|
6.8 (0.6)
|
5.8-6.2
|
5.8-6.2
|
0.031a
|
|
3 months
|
7.3 (0.8)
|
6.9 (0.5)
|
6.8-7.2
|
5.9-6.1
|
0.080a
|
|
6 months
|
7.3 (0.7)
|
6.9 (0.7)
|
6.8-7.2
|
6.7-7.1
|
0.223a
|
|
12 months
|
7.5 (0.6)
|
7.0 (0.7)
|
6.9-7.1
|
6.8-7.2
|
<0.001a
|
|
Walking distance (m)
| | | | | |
|
12 months
|
6435 (4260)
|
5125 (3868)
|
5458-7412
|
4053-6197
|
0.045a
|
|
SF-36 PCS
| | | | | |
|
Preoperative
|
27.4 (8.2)
|
25.6 (8.7)
|
25.5-28.8
|
23.0-27.0
|
0.152a
|
|
6 weeks
|
39.1 (9.7)
|
34.8 (9.8)
|
36,8-41,2
|
31.4-36.6
|
0.004a
|
|
3 months
|
44.6 (9.2)
|
40.7 (10.1)
|
41.9-46.1
|
37.3-42.7
|
0.031a
|
|
6 months
|
46.0 (10.0)
|
42.7 (5.6)
|
43.7-48.3
|
40.5-43.6
|
0.042a
|
|
12 months
|
47.5 (9.9)
|
42.9 (11.9)
|
44.7-49.3
|
40.1-43.9
|
0.017a
|
|
SF-36 MCS
| | | | | |
|
Preoperative
|
57.2 (8.5)
|
56.3 (9.2)
|
55.1-58.9
|
53.9-58.1
|
0.405a
|
|
6 weeks
|
58.1 (8.7)
|
59.3 (6.6)
|
56.0-60.0
|
57.2-60.8
|
0.465a
|
|
3 months
|
56.0 (9.2)
|
56.7 (8.3)
|
53.9-58.1
|
53.8-58.2
|
0.774a
|
|
6 months
|
56.0 (10.0)
|
55.8 (7.2)
|
53.7-58.3
|
53.0-57.0
|
0.670a
|
|
12 months
|
55.0 (9.8)
|
56.2 (6.9)
|
52.8-57.3
|
54.1-57.9
|
0.714a
|
- SD standard deviation, Cl confidence interval
- a Mann-Whitney-U test
