Table 3.
Surgical data, MTST scores, and clinical outcomes of patients with or without pathologic fracture
| Pathologic fracture patients (n = 15) | Non-fracture patients (n = 50) | P value (χ2 test, Student's t-test) | |
|---|---|---|---|
|
Surgical technique |
|
|
|
| Amputation |
5 |
4 |
|
| (Mean MTST score) |
18.8±3.5 |
21.2±4.6 |
0.040 |
| Limb salvage |
10 |
46 |
|
| (Mean MTST score) |
23.5±3.9 |
25.3±4.2 |
0.219 |
|
Surgical margin |
|
|
|
| Pseudocapsule rupture |
14 (93.3%) |
5 (10.0%) |
<0.001 |
| Wide margin |
13 (86.7%) |
44 (88.0%) |
0.890 |
| Other margins |
2 (13.3%) |
6 (12.0%) |
|
|
Outcomes |
|
|
|
| Recurrence |
4 (26.7%) |
7 (14.0%) |
0.25 |
| Complications |
3 (20%) |
6 (12.0%) |
0.43 |
| Metastasis |
4 (26.7%) |
16 (32.0%) |
0.69 |
| 3-year DFS |
53.3% |
66.5% |
0.25 |
| 3-year OS | 66.7% | 75.3% | 0.52 |
MSTS: Musculoskeletal Tumor Society; DFS: Disease-free survival; OS: Overall survival.