|
Follow-up period (m)
| | | |
|
Mean ± SD
|
79 ± 57
|
42.4 ± 36
|
0.020
|
|
MSTS score
| | | |
|
Mean ± SD
|
24.8 ± 1.1
|
23.9 ± 1.4
|
0.018
|
|
Active range of motion (°)
|
|
Forward flexion
|
30.3 ± 35.8
|
17.3 ± 20.0
|
0.184
|
|
Extension
|
48.0 ± 25.3
|
26.7 ± 19.1
|
0.075
|
|
Abduction
|
33.4 ± 18.7
|
16.6 ± 18.7
|
0.006
|
|
Local recurrence (n = 10)
|
2
|
10.5%
|
4
|
10.3%
|
0.975
|
|
Chest metastasis (n = 9)
|
3
|
15.8%
|
6
|
15.4%
|
0.968
|
|
Complications
| | | | |
0.879
|
|
Radial nerve palsy (n = 3)
|
0
|
0%
|
3
|
7.7%
| |
|
Deep infection (n = 2)
|
1
|
5.3%
|
1
|
2.6%
| |
|
Skin sloughing (n = 1)
|
0
|
0%
|
1
|
2.6%
| |
|
Wound gapping (n = 1)
|
0
|
0%
|
1
|
2.6%
| |
|
Implant failure and revision (n = 3)
|
1
|
5.3%
|
2
|
5.1%
| |
|
Dislocation (n = 1)
|
0
|
0%
|
1
|
2.6%
| |
|
Proximal migration (n = 4)
|
2
|
10.5%
|
2
|
5.1%
| |
|
Downward subluxation (n = 2)
|
1
|
5.3%
|
1
|
2.6%
| |
