Table 1.

Overall survival from death due to breast cancer

Predictor	N	HR	95% C.I.	P
Age > 50 years	420	1.67	0.74–3.81	0.22
Size > 2.5 cm	422	2.27	1.56–3.30	<0.0001*
Node +ve	415	2.06	1.42–3.00	0.0002*
Grade	420	1.38	1.02–1.87	0.035*
PR LBA > 20	421	0.61	0.42–0.87	0.007*
p-Y537 > median	348	1.65	1.08–2.52	0.02*
Multivariate analysis
Age > 50 year	337	1.37	0.42–4.43	0.60
Size > 2.5 cm	337	1.90	1.23–2.94	0.0038*
Node +ve	337	1.58	1.02–2.45	0.04*
Grade	337	1.40	0.99–1.97	0.056
PR LBA > 20	337	0.67	0.44–1.03	0.065
p-Y537 > median	337	1.49	0.96–2.30	0.073