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Table 5 Change of odds ratio after adjustment according to ER status

From: Response to neoadjuvant chemotherapy based on pathologic complete response in very young patients with ER-positive breast cancer: a large, multicenter, observational study

 

pCR rate (%)

OR (95% CI)

PI-Adjusted OR (95% CI)

Age<35

35≤Age<50

ER-positive

(N = 147)

(N = 901)

  

4.8

4.1

1.17 (0.51–2.67)

0.41 (0.05–3.19)

ER-negative

(N = 134)

(N = 663)

  

19.4

11.2

1.92 (1.17–3.13)

2.54 (1.27–5.08)

  1. ER estrogen receptor, pCR pathologic complete response, OR odds ratio, CI confidence interval, PI proliferative index