Table 4.

Multivariate analysis of prognostic factors for survival

Variable	Regression coefficient	Standard error	Odds ratio	95% CI for odds ratio	P value
Gross type	-0.174	0.258	0.840	0.507 - 1.392	0.500
Tumor size	0.209	0.248	1.232	0.758 - 2.001	0.399
Serosal invasion	-0.125	0.264	0.883	0.526 - 1.481	0.637
Node involvement	0.838	0.431	2.311	0.994 - 5.374	0.052
Stage	1.469	0.389	4.344	2.028 - 9.304	< 0.001
Margin status	0.397	0.330	1.488	0.779 - 2.843	0.229
Splenectomy	0.276	0.292	1.318	0.744 - 2.337	0.344