Difference in incidence of developing hepatocellular carcinoma between hepatitis B virus-and hepatitis C virus-infected patients

Table 1 Actual elevated alanine aminotransferase levels cited in patients with chronic hepatitis B

Ref.	Actual elevated ALT levels
Kim et al[5]	Above normal levels
Du et al[6]	Above normal levels
Choi et al[7]	Above normal levels
Wen et al[8]	≥ 25 IU/L
Hann et al[11]	Elevated
Chen et al[12]	≥ 45 IU/L
Kumada et al[13]	Absence of persistently normal ALT levels
Chen et al[14]	Above normal levels
Ishiguro et al[15]	≥ 30 IU/L
Ando et al[16]	≥ 23 IU/L
Yamada et al[17]	≥ 40 IU/L

ALT: Alanine aminotransferase.