Identifying factors that may influence the classification performance of radiomics models using contrast-enhanced mammography (CEM) images

Table 3 Multivariate factor analysis results for malignant lesions in the subgroups of interest

Image features	OR	95% CI	P value
Lesion size ^a	0.699	(0.528, 0.837)	0.002
Breast density (c-d)	12.619	(1.216, 381.215)	0.068
Degree of BPE (moderate or marked)	1.517	(0.036, 50.007)	0.811
Presence of rim artifacts	0.064	(0.006, 17.652)	0.815
Presence of vascular artifacts	0.442	(0.010, 6.336)	0.594
Presence of ripple artifacts	2.795	(0.400, 24.149)	0.310
Presence of air trapping artifacts	36.568	(2.205, 1665.08)	0.025

BPE background parenchymal enhancement, OR odds ratio, CI confidence interval
^a OR (95% CI): The effect size is calculated based on each 1 mm change in the variable

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