Covariates	Type	Total	Test	Train	Pvalue
Age	<=65	65(62.5%)	29(60.42%)	36(64.29%)	0.839
Age	>65	39(37.5%)	19(39.58%)	20(35.71%)	 
Gender	FEMALE	45(43.27%)	22(45.83%)	23(41.07%)	0.7717
Gender	MALE	59(56.73%)	26(54.17%)	33(58.93%)	 
Grade	G1-2	64(61.54%)	29(60.42%)	35(62.5%)	0.9876
Grade	G3-4	40(38.46%)	19(39.58%)	21(37.5%)	 
Stage	Stage I-II	54(51.92%)	27(56.25%)	27(48.21%)	0.5347
Stage	Stage III-IIII	50(48.08%)	21(43.75%)	29(51.79%)	 
T	T1-2	57(54.81%)	28(58.33%)	29(51.79%)	0.6375
T	T3-4	47(45.19%)	20(41.67%)	27(48.21%)	 
M	M0	101(97.12%)	48(100%)	53(94.64%)	0.2985
M	M1	3(2.88%)	0(0%)	3(5.36%)	 
N	N0	101(97.12%)	46(95.83%)	55(98.21%)	0.8921
N	N1	3(2.88%)	2(4.17%)	1(1.79%)