Robot-Assisted versus Laparoscopic Partial Nephrectomy for Giant Sporadic Renal Angiomyolipomas of ≥7 cm: A Propensity Score-Matched Analysis

Table 4

WIT of linear regression analysis.

Variables	Single-factor screening		Multiple-factor analysis
	B		B (95% CI)
Gender	−0.07	0.969
Age	0.08	0.214
BMI	0.74	0.356
Mean tumor size	0.38	0.361
RENAL score	2.21	0.003	2.59 (1.40, 3.78)	<0.001
Lumbage	1.50	0.336
Hematuresis	0.49	0.868
Tumor rupture	2.76	0.190
Hypertension	0.48	0.838
Diabetes	0.14	0.970
Abdominal surgery history	0.06	0.976
Operating method	6.71	<0.001	7.28 (4.85, 9.70)	<0.001
Estimate intraoperative blood loss	0.001	0.597
Preoperative SAE	2.90	0.328

WIT: warm ischemia time; BMI: body mass index; SAE: selective arterial embolization.