Table 2.

Detailed sample information of internal and external datasets.

Characteristics		GSE39058 (n = 42)	TARGET all datasets (n = 84)	GSE21257 (n = 53)
Age (years)	<=18	21	66	35
	>18	21	18	18
Survival status	Living	30	55	30
	Dead	12	29	23
Gender	Female	20	37	19
	Male	22	47	34
Metastatic	Metastatic	20	21	34
	Non-metastatic	22	53	19