Table 2.

Patient demographics (n=128)

Median age (range)		66.9 years (20.7–86.0 years)
Sex	Male	83
	Female	45
ASA grade	1	23
	2	77
	3	28
Method of operation	Open	108
	Laparoscopic	20
Median length of stay (range)		5 days (2–35 days)
Median RNS (range)		7 (4–11)
RNS suffix	a	38
	p	36
	x	54
Mean renal mass diameter (SD)		3.69cm (1.62cm)

ASA = American Society of Anesthesiologists; RNS = RENAL nephrometry score; SD = standard deviation