Brief Article
Copyright ©2012 Baishideng Publishing Group Co.
World J Gastroenterol. Aug 28, 2012; 18(32): 4427-4434
Published online Aug 28, 2012. doi: 10.3748/wjg.v18.i32.4427
Table 1 Descriptive statistics of the study lot and description of the artificial neural networks classification
HCCHypervascular metastasisHypovascular metastasisHepatic hemangyomaFatty focal change
Sex (n)
Male3095416
Female11117127
Age (yr), median (range)
Male64 (52-83)68 (45-89)66 (42-89)48 (32-64)43 (31-61)
Female66 (59-77)62 (38-72)62 (41-80)50 (41-62)44 (29-61)
Tumor size (cm), median (range)
Male5.08 (2-10.7)5.09 (2-13.1)5.11 (2.1-12.7)3.1 (2-7)4 (2-6.5)
Female4.8 (2.3-11)5.7 (2-11.8)5.6 (2-13.01)3.2 (2-8.5)4.6 (2-6.1)
ANN classification
HCC380030
Hypervascular metastasis018020
Hypovascular metastasis001200
Hepatic hemangyoma130120
Fatty focal change000023