Table 1.

Demographics of the enrolled subjects.

	Male	Female	Total
Healthy subjects
Aged 15–30	55	85	140
Aged 31–50	92	146	238
Aged >50	61	95	156
Total	208	326	534
RCC Patients
RCC all (aged 53.3 ± 13.3)	100	43	143
Benign tumor (aged 45.3 ± 11.2)	9	25	34
Healthy control (aged 48.2 ± 13.1)	112	92	204