Secondary peripheral chondrosarcoma arising in solitary osteochondroma: variables influencing prognosis and survival

Table 3 Multivariable analysis on DFS (recurrence/metastasis free survival)

Variables	HR^a	95%CI	P value
Males	0.85	0.48–1.53	0.589
Age, per 1-year increase	1.00	0.98–1.02	0.990
Histological grade ≥ 2	3.75	1.69–8.34	0.001
Axial	1.03	0.56–1.91	0.925
Amputation versus complete resection	1.27	0.36–4.52	0.713
Debulking versus complete resection	3.71	1.57–8.79	0.003
Partial resection versus complete resection	1.37	0.56–3.35	0.490
Cartilage cap thickness (cm), per 1-cm increase	1.10	0.93–1.28	0.258
Max tumor dimension, per 1-cm increase	1.02	0.95–1.09	0.566

ISSN: 1750-1172