TABLE 3

Multivariate Analysis of Recurrence-Free and Overall Survival

	Recurrence-free survival			Overall survival
Variable	Hazard ratio	95% CI	P	Hazard ratio	95% CI	P
RCB index			0.924
RCB-0	Reference
RCB-1	0.00	0.00	0.981
RCB-2	1.62	0.41–6.42	0.490
RCB-3	1.49	0.33–6.64	0.605
Clinical T stage						0.265
I				Reference
II				0.56	0.05–6.53	0.645
III				0.62	0.04–9.87	0.735
IV				2.82	0.18–44.20	0.461
Clinical N stage			0.015			0.05
I	Reference			Reference
II	1.05	0.23–4.66	0.954	5.15	0.91–29.09	0.064
III	3.90	1.35–11.22	0.012	6.35	1.39–29.01	0.017
Subtype			0.002			0.111
Luminal A	Reference			Reference
Luminal B	1.54	0.34–7.04	0.579	2.20	0.31–20.46	0.456
HER2	1.15	0.30–4.38	0.840	2.18	0.30–15.46	0.436
Triple-negative	6.93	2.05–23.35	0.002	6.55	1.15–32.14	0.024
ΔSUV_max^*	0.97	0.95–0.99	<0.001	0.97	0.95–0.99	0.015

↵* Continuous variable.
CI = confidence interval.