Table 1.

Clinical grouping validation for the train and test groups.

Covariates	Type	Total	Test	Train	p Value
Age	≤ 65	306 (56.35%)	161 (59.41%)	145 (53.31%)	0.177
Age	> 65	235 (43.28%)	109 (40.22%)	126 (46.32%)
Age	Unknown	2 (0.37%)	1 (0.37%)	1 (0.37%)
Gender	FEMALE	543 (100%)	271 (100%)	272 (100%)	0.9658
Grade	G1	99 (18.23%)	58 (21.4%)	41 (15.07%)	0.1635
Grade	G2	121 (22.28%)	59 (21.77%)	62 (22.79%)
Grade	G3	312 (57.46%)	149 (54.98%)	163 (59.93%)
Grade	Unknown	11 (2.03%)	5 (1.85%)	6 (2.21%)
Stage	Stage I	339 (62.43%)	177 (65.31%)	162 (59.56%)	0.5077
Stage	Stage II	52 (9.58%)	22 (8.12%)	30 (11.03%)
Stage	Stage III	123 (22.65%)	58 (21.4%)	65 (23.9%)
Stage	Stage IV	29 (5.34%)	14 (5.17%)	15 (5.51%)