Table 3. pCR.

Age	pCR (%)	Logistic regression* Odds Ratio (95% CI)	p-value
overall
>65	11.7	1.00
51–65	14.1	1.32 (0.99–1.77)	0.063
40–50	17.3	1.57 (1.18–2.10)	0.002
<40	20.9	1.84 (1.35–2.50)	<0.001
HR+/HER2−
>65	3.1	1.00
51–65	6.2	2.06 (0.98–4.32)	0.058
40–50	8.3	2.70 (1.29–5.65)	0.008
<40	11.0	3.45 (1.59–7.46)	0.002
HR+/HER2+
>65	20.4	1.00
51–65	19.0	0.90 (0.40–1.95)	0.786
40–50	18.4	0.87 (0.40–1.88)	0.716
<40	19.0	0.88 (0.38–2.03)	0.756
HR−/HER2+
>65	33.3	1.00
51–65	34.8	1.13 (0.56–2.25)	0.737
40–50	29.1	0.81 (0.40–1.65)	0.562
<40	29.2	0.94 (0.44–2.02)	0.877
TNBC
>65	19.4	1.00
51–65	26.5	1.50 (0.88–2.56)	0.136
40–50	35.6	2.07 (1.23–3.50)	0.007
<40	38.8	2.21 (1.27–3.84)	0.005

* adjusted for study, tumor and nodal stage, histotype, grading.