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Table 1 Univariate analysis comparing qualitative magnetic resonance imaging (MRI) features and hepatocellular carcinoma (HCC) differentiation level

From: Imaging biomarkers for well and moderate hepatocellular carcinoma: preoperative magnetic resonance image and histopathological correlation

Imaging features Low-grade Medium- grade χ 2 P
Tumor thrombus Yes 5(45%) 6(55%) 2.117 0.117
No 107(74%) 38(26%)   
Signal intensity homogeneous 44(77%) 13(23%) 0.852 0.428
heterogeneous 68(68%) 31(31%)   
Tumor capsule Complete 45(82%) 10(18%) 2.311 0.103
Incomplete 55(64%) 31(36%)   
None 12(80%) 3(20%)   
Tumor margins smooth solitary nodule 33(85%) 6(15%) 5.305 0.006
protruding nodule 58(75%) 19(25%)   
fusion of multiple nodules 21(53%) 19(47%)   
Intratumoral vascularity s 42(58%) 31(42%) 7.412 0.001
No 70(84%) 13(16%)   
Peritumoral enhancement Yes 24(60%) 16(40%) 2.042 0.133
No 88(76%) 28(24%)   
Peritumoral hypointense Yes 20(49%) 21(51%) 8.722 0.000
No 92(80%) 23(20%)