Data Mining of Prognostic Microenvironment-Related Genes in Clear Cell Renal Cell Carcinoma: A Study with TCGA Database

Table 1

The baseline characteristics of all patients.

Parameter	Subtype	No.	Percent (%)
Age (years)	<65	250	48.5
	≥65	265	51.6
Gender	Male	341	66.2
	Female	174	33.8
TNM staging	Stage i/ii	315	61.2
	Stage iii/iv	200	38.8
Fuhrman grade	G 1/2	235	45.6
	G 3/4	280	54.4
Immune score	Low	296	57.5
	High	219	42.5
Stromal score	Low	317	61.6
	High	198	38.4
Survival status	Alive	354	68.7
	Dead	161	31.3
Total		515	100