Does joint-sparing tumor resection jeopardize oncologic and functional outcomes in non-metastatic high-grade osteosarcoma around the knee?

Table 4 Risk factors for overall survival

Variable	Survival		p value	HR	95% CI	p value from cox regression
Variable	Survival	Death	p value	HR	95% CI	p value from cox regression
Perivascular space change
No change	59 (88.1%)	8 (11.9%)		1
Disappeared	8 (36.4%)	14 (63.6%)	< 0.001	4.820	1.920–12.097	0.001
Limb diameter change
Stable	54 (90%)	6 (10%)		1
Increased	13 (43.3%)	16 (56.7%)	< 0.001	8.886	2.291–27.034	< 0.001

ISSN: 1477-7819