表 2.

1型和2型pRCC患者的临床病理特征比较

Comparison of the clinicopathological features of type 1 and type 2 pRCC

Items	Type 1	Type 2	P
Gender, n			0.231
Male	36	55
Female	6	17
Age/years, x±s	54.1±11.5	59.0±12.9	0.046
BMI/(kg/m2), x±s	26.1±2.9	24.5±3.1	0.008
Tumor location, n			0.421
Left	16	33
Right	26	39
Surgical method, n			0.001
Partial nephrectomy	33	33
Radical nephrectomy	9	39
Maximum tumor diameter/cm, x±s	3.55±2.30	6.63±3.69	< 0.001
Vascular cancer embolism, n			< 0.001
Yes	1	33
No	41	39
Lymph node metastasis, n			< 0.001
Yes	0	30
No	42	42
Adrenal metastasis, n			0.463
Yes	0	3
No	42	69
pT stages, n			< 0.001
T1a	28	24
T1b	10	12
T2	2	2
T3	1	32
T4	1	2
Nuclear grade, n			< 0.001
Ⅰ	13	0
Ⅱ	24	20
Ⅲ	5	46
Ⅳ	0	6
Symptoms, n			0.002
Osphyalgia	3	14
Hematuria	2	17
Physical examination found	37	41