Table 3.

Characteristics of patients >65 years old stratified by tumor size after PSM.

	≤20 mm			21–30 mm			31–50 mm
Characteristics	RFA	HR	p	RFA	HR	p	RFA	HR	p
Age
66–75	156	145	0.91	248	229	0.71	260	304	0.32
76–85	35	32		108	103		130	121
>85	4	5		3	5		12	12
Sex
Male	102	110	0.51	228	224	0.41	271	300	0.7
Female	77	72		131	113		131	137
AFP level
Elevated	75	75	0.48	147	133	0.86	210	202	0.12
Normal or borderline	53	55		112	104		123	138
Unknown	67	52		100	100		69	97
Tumor count
1	131	126	0.31	248	229	0.94	402	437
2	43	45		95	93		0	0
3	5	11		16	15		0	0
Fibrosis
None or not stated	43	42	0.81	72	58	0.34	91	81	0.14
Severe or cirrhosis	152	140		287	279		311	356

HR, Hepatic resection; RFA, Radiofrequency ablation; AFP, α-fetoprotein; Fibrosis (Ishak score: severe or cirrhosis, 5–6; none or not stated: 0–4); PSM, Propensity score matching.