Use of Texture Analysis on Noncontrast MRI in Classification of Early Stage of Liver Fibrosis

Table 2

Performance of selected features with high correlation.

Image	Var. name	Threshold	Accuracy	Sensitivity	Specificity	Pos. pred. value	Neg. pred. value
Out-of-phase T1WI	wavelet_HLL_firstorder_Energy	−0.04	0.81 (0.68–0.90)	0.73	0.90	0.88	0.75
	original_ngtdm_Coarseness	−0.35	0.79 (0.66-o.88)	0.77	0.81	0.821	0.76
	wavelet_HLL_firstorder_Minimum	0.21	0.75 (0.62–0.86)	0.77	0.74	0.77	0.74
	wavelet_LHL_gldm_SmallDependenceHighGrayLevelEmphasis	−0.16	0.79 (0.66–0.89)	0.90	0.67	0.75	0.86
	wavelet_HLL_glrlm_ShortRunLowGrayLevelEmphasis	0.43	0.79 (0.66–0.89)	1	0.55	0.71	1
	original_ngtdm_Complexity	−0.27	0.79 (0.66–0.89)	0.80	0.78	0.80	0.78
	wavelet_HLH_glszm_LargeAreaHighGrayLevelEmphasis	−0.28	0.77 (0.64–0.87)	0.73	0.81	0.81	0.73
	wavelet_HLH_gldm_DependenceNonUniformityNormalized	−0.13	0.77 (0.64–0.87)	0.8	0.74	0.77	0.77
In-phase T1WI	wavelet_LHL_glszm_ZoneEntropy	0.16	0.75 (0.62–0.85)	0.73	0.78	0.78	0.72
	wavelet_LHH_gldm_DependenceNonUniformityNormalized	0.18	0.73 (0.60–0.84)	0.67	0.85	0.80	0.68
	wavelet_LHH_glrlm_ShortRunEmphasis	−0.20	0.68 (0.54–0.80)	0.60	0.78	0.75	0.63
	wavelet_LLL_glcm_Imc1	−0.41	0.75 (0.62–0.86)	0.90	0.59	0.71	0.84
	wavelet_LHL_firstorder_Variance	−0.11	0.72 (0.58–0.83)	0.67	0.78	0.77	0.68
	original_firstorder_Kurtosis	−0.57	0.70 (0.56–0.82)	0.83	0.56	0.67	0.75
	wavelet_LHH_gldm_LargeDependenceLowGrayLevelEmphasis	−0.07	0.74 (0.60–0.83)	0.83	0.63	0.71	0.77
	wavelet_LLH_glszm_SizeZoneNonUniformityNormalized	0.08	0.70 (0.56–0.81)	0.63	0.78	0.76	0.65
T2WI	wavelet_LHH_glrlm_LowGrayLevelRunEmphasis	0.20	0.68 (0.55–0.80)	0.54	0.80	0.57	0.81
	original_glszm_GrayLevelVariance	0.16	0.67 (0.53–0.78)	0.53	0.78	0.57	0.78
	original_glrlm_GrayLevelNonUniformityNormalized	−0.30	0.67 (0.53–0.78)	0.53	0.78	0.63	0.70
	original_glrlm_GrayLevelVariance	−0.02	0.67 (0.53–0.78)	0.53	0.78	0.67	0.67
	wavelet_LHL_glszm_SmallAreaLowGrayLevelEmphasis	−0.12	0.68 (0.55–0.80)	0.54	0.80	0.73	0.63
	wavelet_HLH_firstorder_Median	0.38	0.68 (0.55–0.80)	0.54	0.80	0.56	0.81
	original_firstorder_InterquartileRange	−0.36	0.65 (0.51–0.77)	0.51	0.77	0.76	0.52
	original_gldm_DependenceEntropy	−0.06	0.68 (0.55–0.80)	0.54	0.80	0.80	0.56