Robotic-assisted laparoscopic partial nephrectomy: A comparison of approaches to the posterior renal mass

Table 1 Patient characteristics

	RP (n = 54)	TP (n = 37)	P
Age at time of surgery, mean (SD)	56.5 (13)	57.2 (11.6)	0.801
BMI (SD)	31.1 (5.8)	32.1 (7.0)	0.511
Race
Asian	1 (1.9%)	0	0.452
Black	3 (5.6%)	3 (8.1%)
Hispanic	7 (13.0%)	2 (5.4%)
Other	0	1 (2.7%)
White	43 (79.6%)	31 (83.8%)
Sex
Female	17 (31.5%)	17 (46.0%)	0.163
Male	37 (68.5%)	20 (54.1%)
Preoperative creatinine, mean (SD)	0.95 (0.21) n = 53	0.90 (0.17) n = 36	0.271

P = Significance based on:

¹Independent samples t-test;

²Fisher exact test;

³Pearson χ² test. RP: Retroperitoneal; TP: Transperitoneal; BMI: Body mass index; SD: Standard deviation.