Table 1.

Analysis of baseline data.

Baseline information	RLPN group n	LRN group n	P value
Total	20	20
Gender			0.525
Male	1 2	10
Female	8	10
Age	45.61±4.42	46.42±5.62	0.605
≤60	8	9	0.773
>60	12	11
Papillary renal cell carcinoma/case	1	2
clear cell carcinoma/case	17	16
spindle cell carcinoma/case	2	2
The follow-up	6 months to 2 years	6 months to 2 years
The follow-up rate/%	100	100
The average follow-up period/month	14.25	15.32