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Patient number
|
Group/diagnosis
|
Initial reconstruction
|
Indication for TFR
|
Number of revisions prior to TFR
|
Age at reconstruction
|
MSTS score
|
|---|
|
General criteria
|
Limb-specific criteria
|
Score
|
|---|
|
Pain
|
Function
|
General acceptance
|
Supports
|
Walking ability
|
Gait
|
|---|
|
1
|
Group A: oncologic patients
|
OSa
|
DFR
|
Mechanical failure
|
0
|
62
|
4
|
3
|
4
|
3
|
5
|
4
|
23
|
|
2
|
OSa
|
PFR
|
Periprosthetic fracture
|
1
|
31
|
5
|
3
|
1
|
5
|
5
|
3
|
22
|
|
3
|
OSa
|
DFR
|
Mechanical failure
|
7
|
44
|
4
|
3
|
3
|
4
|
3
|
3
|
20
|
|
4
|
OSa
|
DFR
|
Mechanical failure
|
2
|
34
|
5
|
4
|
4
|
4
|
5
|
3
|
25
|
|
5
|
OSa
|
DFR
|
Aseptic loosening
|
0
|
40
|
3
|
3
|
2
|
5
|
4
|
3
|
20
|
|
6
|
OSa
|
DFR
|
Mechanical failure
|
4
|
33
|
3
|
2
|
5
|
5
|
5
|
2
|
22
|
|
7
|
CSa
|
DFR
|
Aseptic loosening
|
0
|
33
|
4
|
3
|
5
|
5
|
4
|
2
|
23
|
|
8
|
CSa
|
HP
|
Recurrence tumor
|
0
|
76
|
4
|
2
|
3
|
0
|
3
|
2
|
14
|
|
9
|
M
|
Nail
|
Metastasis
|
0
|
71
|
0
|
1
|
1
|
0
|
0
|
1
|
3
|
|
10
|
Group B: patients with failed arthroplasty
|
HP
|
Periprosthetic fracture
|
2
|
64
|
4
|
3
|
3
|
0
|
3
|
1
|
14
|
|
11
|
HP and KP
|
Periprosthetic fracture
|
7
|
70
|
2
|
2
|
4
|
0
|
3
|
2
|
13
|
|
12
|
KP
|
Aseptic loosening
|
1
|
84
|
0
|
1
|
0
|
0
|
2
|
1
|
4
|
|
13
|
KP
|
Periprosthetic fracture
|
8
|
86
|
1
|
0
|
0
|
0
|
0
|
0
|
1
|
|
14
|
DFR
|
Periprosthetic fracture
|
0
|
74
|
1
|
1
|
0
|
2
|
3
|
1
|
8
|
|
15
|
Nail
|
Periprosthetic fracture
|
4
|
90
|
4
|
0
|
1
|
0
|
1
|
0
|
6
|
|
16
|
HP and KP
|
Periprosthetic fracture
|
1
|
79
|
1
|
1
|
3
|
0
|
2
|
1
|
8
|
|
17
|
KP
|
Periprosthetic fracture
|
2
|
70
|
3
|
2
|
3
|
0
|
4
|
3
|
15
|
|
18
|
DFR
|
Periprosthetic fracture
|
2
|
85
|
1
|
1
|
0
|
0
|
2
|
1
|
5
|
|
19
|
PFR
|
Periprosthetic fracture
|
0
|
88
|
4
|
0
|
3
|
0
|
0
|
0
|
7
|
|
20
|
HP
|
Septic loosening
|
1
|
70
|
2
|
1
|
3
|
0
|
2
|
1
|
9
|
|
21
|
HP
|
Periprosthetic fracture
|
2
|
83
|
2
|
2
|
4
|
1
|
3
|
3
|
15
|
|
22
|
HP and KP
|
Periprosthetic fracture
|
3
|
77
|
4
|
1
|
2
|
0
|
2
|
1
|
10
|
|
All patients
|
Mean
|
2.1
|
65.6
|
2.8
|
1.8
|
2.5
|
1.5
|
2.8
|
1.7
|
13
|
|
Standard deviation
|
2.5
|
20.2
|
1.6
|
1.2
|
1.6
|
2.1
|
1.6
|
1.2
|
7
|
|
Group A
|
Mean
|
1.6
|
47.1
|
3.5
|
2.6
|
3.0
|
3.5
|
3.6
|
2.4
|
18.6
|
|
Standard deviation
|
2.5
|
17.7
|
1.6
|
0.9
|
1.6
|
2.2
|
1.7
|
0.7
|
7.1
|
|
Group B
|
Mean
|
2.5
|
78.5
|
2.1
|
1.0
|
1.9
|
0.3
|
2.0
|
1.2
|
8.4
|
|
Standard deviation
|
2.5
|
8.3
|
1.4
|
0.7
|
1.6
|
0.6
|
1.2
|
1.0
|
4.3
|
- MSTS Musculoskeletal Tumor Society, OSa osteosarcoma, CSa chondrosarcoma, M metastasis, HP hip prosthesis, KP knee prosthesis, DFR distal femoral replacement, PFR proximal femoral replacement, TFR total femoral replacement
