Table 3.

Multivariate analysis of 30 osteosarcoma patients.

Variable	OS			EFS
	HR	95% CI	p-Value	HR	95% CI	p-Value
Histological response to chemotherapy	0.1137	0.0150–0.8618	0.0354 *	0.1051	0.01382–0.7989	0.0295 *
Age group	0.9066	0.8014–1.0256	0.1192	0.9046	0.79947–1.0236	0.1118
Initial metastasis	Not Applicable			1.8208	0.70743–4.6862	0.2141

* p < 0.01.