Figure 6.

Kaplan–Meier survival curves of the risk clusters found in (a) the Stockholm cohort, (b) the Uppsala treated cohort, (c) the Uppsala untreated cohort and (d) the van't Veer cohort. L, low-risk group; M, medium-risk group; H, high-risk group. The P value in each plot, computed in a Cox regression, is for simultaneous comparison of all three curves for the whole follow-up period.