Observational Study
Copyright ©The Author(s) 2021.
World J Gastrointest Surg. May 27, 2021; 13(5): 476-492
Published online May 27, 2021. doi: 10.4240/wjgs.v13.i5.476
Table 5 Comparison of current study with our previous report

Yeh etal[27]: 1st era
Current study: 2nd era
Number of HCC ≥ 10 cm211426
Study period1982-20012002-2015
Study designRetrospectiveInstitutional-based cohort with IPTW
Age in yr47.8 ± 14.355.7 ± 14.3
Gender, male %78%81%
HBV infection, positive81.9%52.8%
HCV infection, positive11.6%10.3%
Size in cm13.9 ± 3.413.14 ± 4.95
Surgical mortality at 30-d4.3%2.1%
1-yr DFS rate32.9%48.5%
3-yr DFS rate18.8%36.1%
5-yr DFS rate12.7%31.1%
1-yr OS rate48.1%75.8%
3-yr OS rate24.0%53.3%
5-yr OS rate16.7%46.2%