Table 3 Comparison of primary and secondary chondrosarcoma of pelvis in terms of local recurrence
Variable | Primary | Secondary | P | |
|---|---|---|---|---|
Local recurrence,n(%) | No | 34 (63.0) | 17 (65.4) | 0.436 |
Yes | 20 (37.0) | 9 (34.6) | ||
Recurrence time after first treatment (months) | Median (IQR) | 14.0 (8.0–21.8) | 38.5 (25.0–59.5) | < 0.001 |
Pathological progression after recurrencea,n(%) | No | 7 (58.3) | 5 (55.6) | 1.000 |
Yes | 5 (41.7) | 4 (44.4) |