Table 2. Multivariate Cox regression analysis of AXL and CD163 for relapse-free survival and overall survival in triple-negative breast cancer (N=203).

Variable	HR	95% CI	P valuea	HR	95% CI	P valuea
	Relapse-free survival			Overall survival
AXL	2.84	1.45–5.55	2.20E−03	3.09	1.58–6.06	1.00E−03
Age	0.88	0.46–1.69	7.11E−01	1.08	0.57–2.07	8.09E−01
Grade	1.68	0.69–4.11	2.53E−01	2.06	0.84–5.09	1.16E−01
Nodal status	2.53	1.01–6.31	4.72E−02	2.62	1.05–6.55	3.98E−02
Tumor size	1.33	0.69–2.58	3.97E−01	1.17	0.61–2.25	6.30E−01
Tumor stage	1.72	0.81–3.66	1.60E−01	1.67	0.78–3.57	1.88E−01
CD163	1.85	0.96–3.55	6.58E−02	1.63	0.85–3.12	1.40E−01
Age	0.95	0.50–1.80	8.72E−01	1.16	0.61–2.20	6.45E−01
Grade	1.68	0.68–4.13	2.60E−01	1.90	0.77–4.73	1.65E−01
Nodal status	2.90	1.18–7.13	2.02E−02	3.08	1.25–7.59	1.43E−02
Tumor size	1.36	0.70–2.65	3.60E−01	1.19	0.62–2.30	5.99E−01
Tumor stage	1.54	0.74–3.22	2.48E−01	1.41	0.67–2.94	3.66E−01

Abbreviations: CI, confidence interval; HR, hazard ratio.

^aSignificant P values are given in bold.

Multivariate analysis adjusted for age (⩾50 vs. <50), histological grade (G3 vs. G1–2), nodal status (1 vs. 0), tumor size (>20 mm vs. ⩽20 mm), and tumor stage (III vs. I–II).