Predictive Ki-67 Proliferation Index of Cervical Squamous Cell Carcinoma Based on IVIM-DWI Combined with Texture Features

Table 5

The ROC analysis for each individual feature, overall IVIM-DWI, overall TA, and IVIM-DWI combined with TA.

Parameters	AUC	95% CI	Accuracy (%)	Sensitivity (%)	Specificity (%)
D (×10^−3mm^2/s）	0.689	0.528–0.849	67.5	62.5	72.2
Wavelet_LHH_GLSZM_LGLZE	0.725	0.582–0.867	68.6	64.8	81.3
lbp_3D_k_firstorder_IR	0.697	0.555–0.838	75.7	81.5	56.3
Wavelet_HLH_GLCM_IMC1	0.697	0.532–0.862	78.6	85.2	56.3
Overall TA	0.816	0.708–0.924	75.3	77.8	87.5
D combined with TA	0.834	0.715–0.953	86.7	74.1	88.7

IVIM-DWI, intravoxel incoherent motion diffusion weighted imaging; TA, texture analysis; ROC, receiver operating characteristic; AUC, area under curve; CI, confidence interval; D, diffusion coefficient; GLCM, gray-level co-occurrence matrix; GLSZM, gray-level size zone matrix; IMC, informational measure of correlation; LGLZE, low gray-level zone emphasis; IR, interquartile range.