Kaplan-Meier plot of time to the first primary event (left) or cumulative survival in patients with heart failure randomized to therapy with amlodipine or placebo. There was no overall benefit seen with amlodipine.
HF: heart failure.
Data from: Packer M, O'Connor CM, Ghali JK, et al. N Engl J Med 1996; 335:1107.