Table 5.
Comparison of outcomes and range of motion between endoprosthesis and cement spacer in patients with and without axillary nerve and deltoid resection
| Patients with axillary nerve resection (n = 23) | |||
|---|---|---|---|
| Data | Endoprosthesis group ( n = 3) | Cement spacer group ( n = 20) | P -value |
| Mean ± SD | Mean ± SD | ||
| MSTS score | 24.7 ± 0.6 | 23.6 ± 1.2 | 0.131 |
| Active range of motion (°) | |||
| Forward flexion | 20.0 ± 14.1 | 8.0 ± 12.3 | 0.243 |
| Extension | 14.9 ± 17.9 | 15.0 ± 18.7 | 0.587 |
| Abduction | 20.0 ± 14.1 | 8.00 ± 12.3 | 0.243 |
| Patients without axillary nerve resection ( n = 35) | |||
| Data | Endoprosthesis group ( n = 16) | Cement spacer group ( n = 19) | P -value |
| Mean ± SD | Mean ± SD | ||
| MSTS score | 24.9 ± 1.1 | 24.3 ± 1.6 | 0.252 |
| Active range of motion (°) | |||
| Forward flexion | 31.9 ± 38.7 | 25.0 ± 22.4 | 0.590 |
| Extension | 48.0 ± 25.3 | 35.0 ± 15.5 | 0.248 |
| Abduction | 35.4 ± 18.9 | 35.0 ± 15.5 | 0.147 |
| Patients with deltoid resection ( n = 41)` | |||
| Data | Endoprosthesis group ( n = 13) | Cement spacer group ( n = 28) | P -value |
| Mean ± SD | Mean ± SD | ||
| MSTS score | 24.9 ± 1.2 | 23.8 ± 1.2 | 0.007 |
| Active range of motion (°) | |||
| Forward flexion | 24.1 ± 21.5 | 12.0 ± 18.2 | 0.134 |
| Extension | 55.0 ± 29.5 | 24.3 ± 18.8 | 0.044 |
| Abduction | 31.4 ± 12.7 | 11.0 ± 15.6 | 0.002 |
| Patients without deltoid resection ( n = 17) | |||
| Data | Endoprosthesis group ( n = 6) | Cement spacer group ( n = 11) | P -value |
| Mean ± SD | Mean ± SD | ||
| MSTS score | 24.7 ± 0.8 | 24.4 ± 1.9 | 0.712 |
| Active range of motion (°) | |||
| Forward flexion | 47.5 ± 62.4 | 28.6 ± 20.4 | 0.466 |
| Extension | 37.5 ± 15.0 | 30.0 ± 21.2 | 0.571 |
| Abduction | 38.0 ± 29.5 | 28.6 ± 20.4 | 0.525 |
MSTS The Musculoskeletal Tumor Society