Table 1.

Association between the HHLA2 expression in ccRCC tissues and the patients’ clinical parameters

Clinical parameters	Cases	HHLA2 expression level		χ 2	P
		Low (H-score ≤ 90)	High (H-score > 90)
Gendera				0.278	0.598
Male	56	38	18
Female	30	22	8
Age (years)a				0.059	0.809
≤ 60	48	34	14
> 60	38	26	12
Tumor size (cm)				4.155	0.042
≤ 7	66	50	16
> 7	21	11	10
TNM stage				4.161	0.041
I + II	81	59	22
III + IV	6	2	4

Italics signifies P < 0.05

^aOne case missing data was excluded