Table 1

 The evidence (mainly based on Shanghai study)

OutcomeScreened AFP + USUnscreenedOR (95% CI)NNS
CI  =  confidence interval; HCC  =  hepatocellular carcinoma; NNS  =  number needed to screen; OR  =  odds ratio.
HCC mortality0.44%0.54%0.81 (0.54 to 1.22)937/5 y
HCC detected0.92%0.54%1.69 (1.20 to 2.36)693/5 y
HCC resectability (<5cm)0.42%0%7.14 (3.53 to 14.43)
5 year survival after HCC resection84.9%0%