Table 4:

Association of Classifiers with Progression-Free and Overall Survival (n=155)

Classifier	N/# deaths/# PFS events	5-yr PFS estimate	PFS HR (95% CI), p-value*	5-yr OS estimate	OS HR (95% CI), p-value*
TCGA
Basal/Sq/Neuronal	55/17/24	57%	1.0 (reference)	72%	1.0 (reference)
Luminal	77/19/28	63%	0.68(0.40, 1.18), P=0.17	75%	0.67 (0.35, 1.29), p=0.23
Luminal inf.	23/6/7	67%	0.58 (0.25, 1.36), P=0.21	72%	0.84 (0.33, 2.13) p=0.71
Consensus
Ba/Sq/NE	51/15/21	60%	1.0 (reference)	74%	1.0(reference)
Luminal	80/20/29	63%	0.75 (0.43, 1.31), P=0.31	75%	0.73 (0.37, 1.43) p=0.36
Stroma-rich	24/7/9	61%	0.84 (0.38, 1.85), P=0.67	69%	1.03 (0.42, 2.55) p=0.95
MDA
Basal	49/14/19	62%	1.0 (reference)	75%	1.0 (reference)
Luminal	56/14/20	65%	0.81 (0.43, 1.52), P=0.51	75%	0.73 (0.35, 1.55) p=0.41
p53-like	50/14/20	57%	0.99 (0.53, 1.86), P=0.98	70%	0.97 (0.46, 2.03) p=0.93

^*adjusted for two stratification factors, 2-sided p value