Skip to main content

Table 2 Characteristics of the 129 breast cancer patients with adjacent normal and/or invasive samples, Breast Cancer Care in Chicago study (2005-2008)

From: Exploring DNA methylation changes in promoter, intragenic, and intergenic regions as early and late events in breast cancer formation

Patient characteristic No. Percent
Age   
  <50 44 34
  50-59 36 28
  60-69 32 25
  70-79 17 13
Race/Ethnicity   
  non-Hispanic White 42 33
  non-Hispanic Black 57 44
  Hispanic 30 23
Stage at Diagnosis   
  Stage I 60 47
  Stage II-IV 68 53
Histologic Grade   
  Low 39 32
  Intermediate 42 34
  High 42 34
ER/PR status   
  One or both positive 82 67
  Double negative 40 33