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Table 3 Relationship between HER2 amplification and HER2 protein expression.

From: Analysis of EGFR, HER2, and TOP2A gene status and chromosomal polysomy in gastric adenocarcinoma from Chinese patients

HER2 IHC

HER2 FISH

Total

 

Negative

Positive

 

Negative

89

5

94

Positive

0

6

6

Total number

89

11

100

P value

<0.0001*

  

Odds ratio

211.546

  1. Positive: HER2 amplification, Negative: No HER2 amplification.
  2. *: significant after Bonferroni correction.