CD146 Promoter Polymorphism (rs3923594) Is Associated with Recurrence of Clear Cell Renal Cell Carcinoma in Chinese Population

Table 2

Distribution of selected variables between the ccRCC patients and controls.

Variables	Patients	Controls	value
Age (mean ± SD), year	58.2 ± 11.6	58.0 ± 11.1	0.994
≤57	136	142	0.623
>57	164	158
Sex			0.248
Male	178	164
Female	122	136
Tumor size (diameter)
≤2 cm	73
>2 cm	227
Tumor stage
T1 + T2	259
T3 + T4	41
Tumor grade
1 + 2	283
3 + 4	17
Extent of necrosis
0	186
1	67
2	28
3	15
4	4
Lymph node metastasis
Negative	271
Positive	29
Distant metastasis
Negative	270
Positive	30
Recurrence
Negative	242
Positive	21