Table 2

Concordance of Her2/neu assay results: IHC versus FISHa

IHC scoreFISH (No. of patients)Total (no. of patients)
NonamplifiedAmplified
0–1+46450
2+–3+02222
Total462672
  • Note. Kappa = 0.875.

  • a IHC, immunohistochemistry; FISH, fluorescence in situ hybridization.