Result: The positive ratio of HBV DNA (X gene and/or S gene) is 73.1% in HCC group (49 of 67), 78.6% in CCC group (11 of 14), and 26.9% in normal control group (7 of 26).

• HBv DNA(x基因和/或S基因)阳性率:HCC组为73.；1%25(49例167例)，CCC组为78