Table 2.

Univariate and Multivariate Analysis for OS in Training Cohort.

	Exp(B)	Univariate		P		Exp(B)	Multivariate		P
		95.0% CI					95.0% CI
Tumor size (mm)
<64 (Low)	reference			0.00					0.001
64-129 (Middle)	2.492	1.388-4.474		0.002		2.178	1.210-3.921		0.009
>129 (High)	3.724	2.031-6.826		0.000		2.863	1.549-5.291		0.001
Age
<13 years	reference
13- 18 years	1.420	1.029 -1.958		0.033
Race
Black	reference			0.849
White	0.988	0.641-1.525		0.958
Other	0.829	0.408-1.684		0.604
Sex
Female	reference
Male	1.064	0.770-1.470		0.709
Primary_Site
Lower	reference			0.600
Upper	0.889	0.528-1.497		0.657
Other	1.311	0.707-2.430		0.390
Grade
I	reference			0.765
II	0.480	0.080-2.874		0.421
III	0.893	0.216-3.692		0.876
IV	0.842	0.208-3.418		0.810
ICD.O.3.Hist.behav
9180	reference			0.741
9181	0.742	0.457-1.206		0.229
9182	1.288	0.600-2.764		0.516
9183	0.900	0.419-1.930		0.786
9184	0.000	0.000-0.000		0.968
9185	2.198	0.307-15.758		0.433
AJCC
I-II	reference
III-IV	3.453	2.489-4.789		0.000	AJCC	2.957	2.114	4.137	0.000
T
T1	reference			0.000
T2	1.578	1.098-2.267		0.014
T3	4.172	2.091-8.323		0.000
N
N0	reference
N1	2.806	1.313-5.994		0.008
M
M0	reference
M1	3.239	2.320-4.524		0.000
Surgery
No	reference
Yes	0.354	0.196-0.639		0.001	Surgery	0.434	0.239	0.788	0.006
Radiation
No	reference
Yes	2.687	1.454-4.967		0.002
Chemotherapy
No	reference
Yes	2.826	0.700-11.413		0.145