Table 2.

Subgroup analysis of OS (OR, 95% CI) .

Subgroup	1-year	3-year	5-year
Country
China	1.23 (0.83–1.84)	1.54 (0.97–2.45)	1.86 (1.01–3.42)
South Korea	1.15 (0.92–1.44)	1.49 (1.19–1.86)	1.84 (1.40–2.41)
Curative therapy
RFA	1.33 (0.59–2.99)	1.52 (0.52–4.47)
SBRT	1.13 (0.53–2.43)	2.05 (0.85–4.93)
Hepatic resection	1.17 (0.94–1.44)	1.47 (1.19–1.82)	1.84 (1.43–2.36)

RFA, radiofrequency ablation; SBRT, stereotactic body radiotherapy.