Overexpression of HHLA2 in human clear cell renal cell carcinoma is significantly associated with poor survival of the patients

Table 1 Association between the HHLA2 expression in ccRCC tissues and the patients’ clinical parameters

Clinical parameters	Cases	HHLA2 expression level		χ ²	P
Clinical parameters	Cases	Low (H-score ≤ 90)	High (H-score > 90)	χ ²	P
Gender^a				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

ISSN: 1475-2867