Table 2 Patient demographics by treatment group
From: Dedifferentiated chondrosarcoma of the pelvis: clinical outcomes and current treatment
Overall cohort | Limb-salvage (LSS) | Hindquarter amputation (HQA) | Palliative | p-value (between LSS and HQA groups) | |
|---|---|---|---|---|---|
Patient number (n, %) | 31 | 13 (41.9%) | 5 (16.1%) | 13 (41.9%) | |
Age (mean, range) | 55.6 (33–76) | 55.2 (43–72) | 57 (52–62) | 55.5 (33–76) | 0.716 |
Enneking stage (n, %) | |||||
Stage 2b | 21 (67.7%) | 13 (100%) | 5 (100%) | 3 (23.1%) | 1.000 |
Stage 3b (metastases) | 10 (32.3%) | 0 | 0 | 10 (76.9%) | 1.000 |
Biopsy diagnosis correct (n, %) | 11 (61.1%) | 6 (46.1%) | 5 (100%) | N/A | 0.036 |
Tumour location, solitary P1 lesions (n, %) | 11 (35.5%) | 1 (7.7%) | 3 (60%) | 7 (53.8%) | 0.017 |
Tumour size (max diameter, cm) | 110.9 (45–200) | 108.8 (45–200) | 117.5 (90–180) | N/A | 0.756 |
Chemotherapy (n, %) | 15 (48.4%) | 6 (46.1%) | 2 (40%) | 7 (53.8%) | 0.814 |
Radiotherapy (n, %) | 7 (22.6%) | 2 (15.4%) | 1 (20%) | 4 (30.8%) | 0.814 |
Surgery complications | 2 (11.8%) | 2 (15.4%) | 0 | N/A | 0.352 |