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Figure 1 Survival curves comparing patients with high-risk ventricular tachycardia/ventricular fibrillation (Primary VT/VF) versus a transient/correctable cause for the VT/VF (Transient VT/VF). Upper panel shows unadjusted data (p = NS), and the lower panel depicts results after adjustment for five variables known to affect mortality (p = 0.008, see text).