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Table 4 Calculation formula for radiomics signature

From: Differentiation of small (≤ 3 cm) hepatocellular carcinomas from benign nodules in cirrhotic liver: the added additive value of MRI-based radiomics analysis to LI-RADS version 2018 algorithm

Parameters

Textural groups

Coefficients

Intercept

 

− 1.01

T1W-Vertl_RLNonUni

Run-length matrix

− 0.0010

T1W-S(5,-5)DifVarnc

GLCM

0.0019

T2W-S(5,5)SumOfSqs

GLCM

0.0024

T2W-WavEnLL_s-1

Wavelet

0.0044

T2W-S(0,1)SumEntrp

GLCM

0.0751

T2W-S(3,-3)SumOfSqs

GLCM

0.2208

T2W-Sigma

Autoregressive model

0.0109

ADC-S(1,0)SumVarnc

GLCM

− 0.0295

  1. Vertl_RLNonUni vertical run-length nonuniformity, DifVarnc difference variance, SumOfSqs sum of squares, WavEnLL_s-1 wavelet energy LL scale1, SumEntrp sum entropy, SumVarnc sum variance
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BMC Gastroenterology

ISSN: 1471-230X

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