MicroRNA-34a: A Key Regulator in the Hallmarks of Renal Cell Carcinoma

Table 1

Clinicopathological characteristics of renal cell carcinoma patients ().

Variables	N	%
Age
20 y	5	5.9
40 y	47	55.3
60 y	33	38.8
Gender
Females	34	40.0
Males	51	60.0
Affected side
Right	47	44.7
Left	38	55.3
Histological type
Clear cell RCC	47	55.3
Papillary RCC	15	17.6
Chromophobic RCC	13	15.3
Unclassified	10	11.8
Pathological grade
Grade 1	11	12.9
Grade 2	51	60.0
Grade 3	23	27.1
Tumor size
T1	25	29.4
T2	42	49.4
T3	18	21.2
LN involvement
Negative	77	90.6
Positive	8	9.4
Capsular infiltration
Negative	60	70.6
Positive	25	29.4
Vascular infiltration
Negative	71	83.5
Positive	14	16.5
Renal pelvis infiltration
Negative	79	92.9
Positive	6	7.1

Data are presented as N (number) and % (percentage); RCC: renal cell carcinoma; T: tumor size; LN: lymph node.