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Insights into Imaging
Fig. 4 | Insights into Imaging

Fig. 4

From: CT-based radiomics signature of visceral adipose tissue and bowel lesions for identifying patients with Crohn’s disease resistant to infliximab

Fig. 4

Scatter plots of the predicted probabilities of the (a) VAT model, (b) bowel model, and (c) VAT-bowel model for distinguishing PR from PNR on all data cohorts. A horizontal solid line is drawn at each plot map and indicates the optimal cut-off value of 0.280, 0.190, and 0.268, respectively. The points above the solid line are classified as PNR (primary nonresponse) by the model, while those below the line are classified as PR (primary response) to infliximab therapy. The blue points represent the PR group confirmed by expert assessment; the red points then belong to the PNR group (VAT model, radiomics model based on features extracted from visceral adipose tissue; bowel model, radiomics model based on features extracted from the whole inflamed bowel; VAT-bowel model, a combination of the VAT model and bowel model)

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