Table 1.

Characteristics of patients (N = 70)

Variable	RCC
	No.	%
Sex
Male	43	61.43
Female	27	38.57
Age at diagnosis, y
Median	64
Range	51‐75
Tumour size (cm)
<7	23	32.86
≥7	47	67.14
TNM stage
I and II	26	37.14
III and IV	44	62.86
Fuhrman grade
Grades 1 and 2	19	27.14
Grades 3 and 4	51	72.86
Lymph node metastasis
Negative	25	35.71
Positive	45	64.29
BIRC5 expression
High	63	90.00
Low	7	10.00

Abbreviation: RCC, renal cell carcinoma.