Table 2.

Pathologic complete response rates by PIK3CA status in the entire cohort of 729 patients

PIK3CA mutation statusTotal (n)Non-pCR, n (%)pCR, n (%)Pa
 Mutant206176 (85.4)30 (14.6)0.035
 Wild-type523411 (78.6)112 (21.4)
Total729587 (80.5)142 (19.5)
  • aPIK3CA mutant compared with wild-type.