Table 1.

Characteristics of renal cell carcinoma (RCC) patients and healthy controls

	Discovery cohort		Verification cohort
	Healthy controls (n = 12)	RCC patients (n = 12)	Healthy controls (n = 50)	RCC patients (n = 130)
Age, years (median)	29–78 (64)	36–79 (62)	48–76 (66)	27–83 (64)
Gender, male/female	9/3	9/3	39/11	95/35
Hb, g/dL (median)	11.0–15.5 (14.0)	9.2–16.2 (12.9)	12.0–17.6 (14.2)	4.9–17.4 (13.6)
CRP, mg/dL (median)	0–0.05 (0)	0–13.94 (0.28)	0–0.69 (0)	0–19.86 (0.05)
NLR (median)	0.93–3.97 (1.78)	1.15–5.87 (1.95)	0.83–12.23 (1.96)	0.87–9.68 (2.46)
TNM stage, I/II/III/IV		6/0/4/2		78/9/26/17
Histological type
Clear cell		11		111
Papillary		1		7
Chromophobe		0		6
Unclassified		0		6

Hb, hemoglobin; CRP, C‐reactive protein; NLR, neutrophil to lymphocyte ratio.