Table 2 Pathological complete response rate in each arm among Ki-67 early non-responders and responders.

From: Ki-67 response-guided preoperative chemotherapy for HER2-positive breast cancer: results of a randomised Phase 2 study

  

Total

pCR

  

n

n

%

95% CI

Control arm (n = 80)

Ki-67 early non-responder*

59

26

44.1

31.4–56.7

Ki-67 early responder

21

10

47.6

26.3–69.0

Ki-67 response-guided arm (n = 75)

Ki-67 early non-responder†

55

13

23.6

12.4–34.9

Ki-67 early responder‡

20

8

40.0

18.5–61.5

  1. pCR pathological complete response, CI confidence interval.
  2. Pathological response was not available in *one patient, †two patients and ‡one patient.
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