Retrospective Study
Copyright ©The Author(s) 2021.
World J Hepatol. Jun 27, 2021; 13(6): 699-708
Published online Jun 27, 2021. doi: 10.4254/wjh.v13.i6.699
Table 1 Background of hepatocellular carcinoma patients (≤ 2 cm in diameter) who underwent unenhanced magnetic resonance imaging and unenhanced ultrasound simultaneously
Background of patients

Number of patients102
Age (yr)72.4 ± 9.6
Sex (%)
Male52 (51.0)
Female50 (49.0)
Etiology (%)
HBV13 (12.9)
HCV61 (60.3)
Alcohol14 (13.9)
NBNC7 (6.9)
Autoimmune2 (2.0)
NASH2 (2.0)
PBC1 (1.0)
Others2 (2.0)