The distribution of the haplotypes within the HER2-
positive and the HER2-negative subgroups was estimated
using Gaunt’s model [29]. Although a global c2 test comparing the two distributions did not reach statistical
significance (p Z 0.128), the 655Ile/1170Pro
haplotype was more common in HER2-positive patients,
whereas the 655Ile/1170Ala haplotype was more
common in HER2-negative patients.