Table 4. Relapse free survival and overall survival univariate log-rank and cox regression analysis for association of clinical parameters and CD74/MHCII combined status in the Basal-like subgroup.

A.    Recurrence free survival		Univariate		Multivariate
Parameter	Comparison	HR (95% CI)	p-value	HR (95% CI)	p-value
Age at diagnosis (yrs)	> 35 vs ≤ 35	0.79 (0.22–3.01)	0.751	0.81 (0.15–4.34)	0.809
Tumour size (cm)	> 2 cm vs ≤ 2 cm	2.88 (0.95–5.50)	0.070	8.02 (1.01–63.78)	0.049
Nodal status	pos vs neg	1.79 (0.78–3.92)	0.155	2.66 (0.95–7.44)	0.062
Tumor grade	2 vs 1	0.51 (0.12–2.82)	0.501	2.72 (0.16–47.62)	0.492
	3 vs 1	1.07 (0.13–8.76)	0.946	1.77 (0.63–4.97)	0.278
CD74+MHCII expression	high vs low	0.29 (0.17–0.90)	0.031	0.29 (0.07–1.26)	0.099
B.      Overall survival		Univariate		Multivariate
Parameter	Comparison	HR (95% CI)	p-value	HR (95% CI)	p-value
Age at diagnosis (yrs)	> 35 vs ≤ 35	0.77 (0.22–2.86)	0.714	0.84 (0.17–4.18)	0.829
Tumour size (cm)	>2 cm vs ≤ 2 cm	2.36 (0.88–4.72)	0.100	3.73 (0.82–17.05)	0.090
Nodal status	pos vs neg	1.59 (0.72–3.41)	0.193	1.95 (0.75–5.07)	0.172
Tumor grade	2 vs 1	0.56 (0.12–3.22)	0.572	1.68 (0.14–20.55)	0.686
	3 vs 1	1.02 (0.14–7.59)	0.983	1.75 (0.67–4.59)	0.256
CD74+MHCII expression	high vs low	0.26 (0.17–0.81)	0.014	0.35 (0.11–1.18)	0.091