Table 3. Summary of patient's characteristics.

Characteristics	LR	NLR	RFA	NRFA
M/F	1.55±0.26	1076	1.32±0.56	563
age	60.33±2.54	1224	61.93±2.55	595
Mean tumor size(cm)	3.35±0.98	1150	2.52±0.67	583
Mean tumor number	1.28±0.21	1051	1.38±0.42	535
Tumor stage I–II/III–IV rate	0.21±0.05	558	0.31±0.10	167
tumor node status positive/negative rate	1.23±0.68	462	1.11±0.96	123

LR: liver resection. RFA: radiofrequency ablation. M: male. F: female.