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Table 2 Immunohistochemistry attributes of the data set

From: BCL-2 expression aids in the immunohistochemical prediction of the Oncotype DX breast cancer recurrence score

  Negative or Not overexpressed Low positive or Equivocal Positive or Overexpressed
ER 0 (0.0%) 2 (1.3%) 156 (98.7%)
PR 14 (8.9%) 12 (7.6%) 132 (83.5%)
Ki-67 34 (21.5%) 46 (29.1%) 78 (49.4%)
Her2 134 (84.8%) 24 (15.2%) 0 (0%)
  1. The relative proportions of ER, PR, Ki-67, and Her2 categories are shown as the number (and corresponding percentage) of cases