Clinical Study of Three-Dimensional Laparoscopic Partial Nephrectomy for the Treatment of Highly Complex Renal Tumors with RENAL Nephrometry Scores of ≥10 Points

Table 2

Comparison of perioperative results between 3D laparoscopy and 2D laparoscopy in patients with nephron-sparing surgery.

Clinical data	3D group	2D group
Operation time (min)			0.001
Warm ischemic time (min)			0.0002
Intraoperative blood loss (ml)			0.642
Postoperative hospital stays (d)			0.541
Perioperative complication rate	3/42	3/34	0.860
Infection	2	1
Bleeding	1	2
Urinary fistula	0	0
Total hospitalization cost (yuan)			0.641

The value was calculated by test after logarithmic transformation.