Table 5. Postprocedural changes in parameters and complications.

Variable		RFA (n=39)	LPN (n=46)	p-value
Hb change within 48 h (g/dL)		-0.393	-1.294	0.220
Serum Cr change (mg/dL)
	Baseline	1.24±0.43	1.02±0.23	0.686
	Within 48 h	0.021	0.215	0.001
	Postprocedural AKI	2 (5.1)	18 (39.1)	0.001
	Postoperative (3 mo)	1.29±0.21	1.38±0.38	0.735
Length of hospital stay (day)		3.00	9.77	0.001
Minor complications (Clavien I and II)		2 (5.1)	6 (13.0)	0.030
	Perirenal hematoma	2 (5.1)	3 (6.5)
	Renal infarction	0 (0.0)	1 (2.1)
	Pleural effusion	0 (0.0)	2 (4.3)
Major complication (Clavien III and IV)		0 (0.0)	0 (0.0)
5-year disease-free survival rates (%)		97.4	97.8	0.1

Values are presented as mean only, mean±standard deviation, or number (%).

RFA, radiofrequency ablation; LPN, laparoscopic partial nephrectomy; Hb, hemoglobin; Cr, creatinine; AKI, acute kidney injury.