Table 2. MiRNA concentrations in urine of RCC patients and healthy controls.

miRNA	RCC patients	Healthy controls	P-value	AUC	Sens. (%)	Spec. (%)
let-7a, fmol/L	7.510 (2.668–14.250)	1.525 (0.673–3.368)	< 0.001	0.83	71	81
let-7b, fmol/L	3.500 (1.835–6.160)	1.350 (0.1400–2.880)	< 0.001	0.75	73	67
let-7c, fmol/L	9.390 (4.090–18.82)	5.115 (2.180–9.253)	0.005	0.67	65	62
let-7d, fmol/L	5.540 (2.450–11.88)	3.505 (1.705–5.145)	0.006	0.66	66	61
let-7e, fmol/L	58.9 (25.03–106.6)	32.35 (15.33–63.60)	0.015	0.65	62	61
let-7g, fmol/L	22.48 (11.46–35.19)	12.89 (5.72–19.64)	0.002	0.69	70	60
Values of MiRNA concentrations are presented as median (interquartile range). AUC - Area under curve; Sens. – Sensitivity; Spec. – Specificity.