Skip to main content

Table 1 Algorithm for the calculation of the Allred score [17, 18].

From: Decreased Hsp90 expression in infiltrative lobular carcinoma: an immunohistochemical study

Observed values

"Allocated" values for the calculation of the 0-8 Allred score

Percentage of positive cells

 

None

0

<1%

1

1% to 10%

2

10% to 33.3%

3

33.3% to66.7%

4

more than 66.7%

5

Intensity of staining

 

weak

1

intermediate

2

strong

3