Table 1.

Hazard ratio estimates for prognostic variables used by PREDICT ¹

Prognostic variable	Hazard ratio per unit increase in variable category
(Categories)	ER+	ER-
Node status (0, 1, 2 to 4, 5 to 9,10+)	1.75	1.55
Tumour size in mm <10, 10 to 19, 20 to 29, 30 to 49, 50+)	1.43	1.44
Grade (Low, intermediate, high)	2.33	1.50
Screen detected	0.70	0.86

1 Published in Wishart et al. [9].