BioMed Research International / 2014 / Article / Tab 5

Research Article

Synchronous and Metachronous Breast Malignancies: A Cross-Sectional Retrospective Study and Review of the Literature

Table 5

Characteristics of second MBC stratified per time interval after diagnosis of first MBC. We considered as cutoff the median time interval that was 47 months. In this table we present mean values (±standard deviation) and one way or prevalences and chi-square test.

≤47 moths>47 months

Women age 63.14 (±14.22)54.67 (±13.47)<0.05
BMI 25.2 (±4.01)26.6 (±7.08)0.448
Multifocality28.57% (6/21)26.32% (5/19)0.873
Extended in situ component42.86% (9/21)21.05% (4/19)0.141
Peritumoral vascular invasion9.52% (2/21)5.26% (1/19)0.609
ER positivity 57.14% (12/21)78.95% (15/19)0.141
PR positivity 42.86% (9/21)78.95% (15/19)<0.05
HER-2/Neu positivity14.29% (3/21)10.53% (2/19)0.720
Histology
 Ductal invasive carcinoma61.9% (13/21)68.42% (13/19)0.666
 Lobular invasive carcinoma23.81% (5/21)0% (0/19)<0.05
 Ductal and lobular invasive carcinoma4.76% (1/21)5.26% (1/19)0.942
 Ductal in situ carcinoma 9.52% (2/21)26.32% (5/19)0.163
Grading
 G114.29% (3/21)0% (0/19)0.087
 G247.62% (10/21)63.16% (12/19)0.324
 G338.1% (8/21)36.84% (7/19)0.935
Mib-1/Ki-67 (%)
 1 to 2043.75% (7/16)11.11% (1/9)0.093
 20 to 3012.5% (2/16)11.11% (1/9)0.918
 >3043.75% (7/16)77.78% (7/9)0.100