2.

Continued
Characteristics	Univariate analysis				Multivariate analysis
	Mean survival (month) (95% CI)	Log rank	P		HR (95% CI)	P
*P < 0.05 was considered statistically significant. Abbreviations: ER, estrogen receptor; Her-2, human epidermal growth factor receptor 2; HR(+), hormonal receptor (+); PR, progestrone receptor; TN, triple negative.
> 25%	44 (35–53)				1.093 (0.449–2.664)	0.844
Ki67 decrease		7.327	0.007*
≤ 12.5%	46 (37–54)				1
> 12.5%	66 (59–74)				0.353 (0.147–0.850)	0.020*
Molecular subtype		5.875	0.118
HR(+)/Her-2(–)	62 (54–70)
HR(+)/Her-2(+)	62 (46–77)
HR(–)/Her-2(+)	43 (29–56)
TN	41 (23–58)