A Comparative Analysis of Biomarker Expression and Molecular Subtypes of Pure Ductal Carcinoma In Situ and Invasive Breast Carcinoma by Image Analysis: Relationship of the Subtypes with Histologic Grade, Ki67, p53 Overexpression, and DNA Ploidy

Table 1

Comparison of clinicopathologic parameters in pDCIS versus IBCA.

Variables	pDCIS (𝑛=118)	IBCA (𝑛=100)	𝑃 value*
Age (mean)	61.4 ± 1.03	61.8 ± 0.87	NS
Tumor size (mean)	2.95 ± 0.23	3.37 ± 0.32	NS
Tumor grade
Low	9 (7.6%)	11 (11%)	NS
Intermediate	46 (38.9%)	49 (49%)	NS
High	63 (53.3%)	40 (40%)	0.0570

*Chi-square test.
NS: not significant.