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Table 2 HER2 gene status frequencies of successful test results divided by assay

From: Dual color chromogenic in situ hybridization for determination of HER2 status in breast cancer: a large comparative study to current state of the art fluorescence in situ hybridization

Assay

HER2 status

Frequency

Percent

HER2 CISH pharmDx™

Non-amplified

307

87.2

 

Amplified

45

12.8

 

Total

352

100.0

 

Missing

13

 

HER2 FISH pharmDx™

Non-amplified

314

87.7

 

Amplified

44

12.3

 

Total

358

100.0

 

Missing

7

 

PathVysion HER-2 FISH

Non-amplified

317

87.8

 

Amplified

44

12.2

 

Total

361

100.0

 

Missing

4