From: Determining sensitivity and specificity of HER2 testing in breast cancer using a tissue micro-array approach
Dual color SISH
Non-Amplified (ratio < 1,8)
Equivocal (1,8 < ratio < 2,2)
Amplified (ratio > 2,2)
Mono color SISH
Non-Amplified (< 6 copy numbers)
841
24
7
Amplified (> 6 copy numbers)
0
2
88