Practical Consequences Resulting from the Analysis of a 21-Multigene Array in the Interdisciplinary Conference of a Breast Cancer Center

Table 2

Immunoreactive score (IRS) of oestrogen and progesterone receptor (ER and PR) and index of Ki67 (%).

	n
IRS Score ER
0 negative	0
1 – 3 weakly positive	1
4 – 6 moderately positive	4
8 – 12 strongly positive	45
IRS Score PR
0 negative	2
1 – 3 weakly positive	3
4 – 6 moderately positive	5
8 – 12 strongly positive	40
Ki67-Index
Ki67-Index <14%	28
Ki67-Index >14%	22