Role of mammogram and ultrasound imaging in predicting breast cancer subtypes in screening and symptomatic patients

Table 6 Binomial univariate and multivariate logistic regressions (Ductal carcinoma in situ vs Invasive cancers)

DCIS vs Invasive cancers		Univariate			Multivariate (AUC = 0.719)
		P	OR	CI	P	OR	CI
Posterior acoustic features1	None	a	3.24	(1.204 10.292)	a	3.45	(1.255 11.118)
High-risk microcalcifications	Present	b	2.80	(1.516 5.208)	Not significant
Architectural distortions	Yes	b	5.34	(1.546 16.709)	Not significant
Size	Small < 20 mm	a	2.59	(1.420 7.361)	a	2.72	(1.172 6.182)

¹Posterior acoustic enhancement was set as the baseline with OR = 1.

^aSignificant at the 0.001 level.

^bSignificant at the 0.01 level.

^cSignificant at the 0.05 level.

^dSignificant at the 0.10 level.

Area under the receiver operating characteristic curve for multivariate regression on posterior acoustic features, MM high-risk microcalcifications, architectural distortions, and size (large or small). AUC: Area under the receiver operating characteristic curve; DCIS: Ductal carcinoma in situ.