Table II.

Multivariate Cox regression analysis.

Factors	B	SE	Wald	df	Sig.	Exp(B)	95.0% CI
Gender	0.430	0.503	0.732	1	0.392	0.650	0.243–1.743
Age	0.017	0.021	0.656	1	0.418	0.983	0.943–1.025
Tumor volume	0.000	0.001	0.072	1	0.789	1.000	0.998–1.003
Enneking stage	3.096	0.821	14.209	1	<0.001	22.111	4.420–110.601
mGluR4 immunostaining	2.011	1.195	2.830	1	0.092	7.467	0.718–77.695

SE, standard error; df, degree of freedom; CI, confidence interval.