Table 1.

Characteristics and outcomes of HCC surveillance in different geographic areas

Author	Geographic area	Sample size	Etiology	Study design	Survival in surveillance group	Survival in control group
Zhang et al. [78]	Asia	Screening 9373 Control 9443	HBV	RCT	5-yr survival 46.4%	5-yr survival 0%
Yuen et al. [79]	Asia	Screening 142 Control 164	HBV	CC	Significantly higher survival than control
Tong et al. [81]	United States	Screening 26 Control 52	HBV	CC	5-yr survival 35.7%	5-yr survival 16.3%
Yang et al. [84]	United States	Screening 136 Control 307	HCV Alcohol	CC	Significantly higher survival than control
Trevisani et al. [85]	Europe	Screening 158 Symptomatic 67	HCV HBV	CC	Median survival 24 months	Median survival 7 months
Ando et al. [86]	Asia	Screening 91 Symptomatic 181	HCV	CC	5-yr survival 52%	5-yr survival 23%

CC=case-control.