Figure 1.
PRISMA flowchart of searching and selecting guidelines.
Figure 2.
Bibliometric map of included studies.
Table 1.
Baseline characteristics of RCTs and NRCTs.
Figure 3.
Overall survival (OS) at 1-, 3- and 5-year in RCTs.
Table 2.
Summary of finding table for HCC patients with tumor less than 5
Table 3.
Summary of finding table for HCC patients with tumor size less than 5
Figure 4.
Recurrence-free survival rate (RFS) at 1-, 3- and 5-year in RCTs.
Figure 5.
Recurrence rate at 1-, 3- and 5-year in RCTs.
Figure 6.
Complication rate of RCTs.
Table 4.
Summary of finding table for Solitary HCC with tumor size≤3 cm and 3–5 cm in RCTs.
Table 5.
Summary of finding table for HCC patients with tumor size between 3 and 5
Table 6.
Summary of finding table for HCC patients with tumor size ≤3cm in NRCTs.
Table 7.
Summary of finding table for solitary HCC patients with tumor size ≤2 cm in NRCTs.
Table 8.
Publication bias of studies which were more than ten.