Cumulative survival curves according to various strata.

Presented are Kaplan-Meier survival curves in patients presenting with chest pain for the combined primary endpoint of death and non-fatal myocardial infarction within 6 months after presentation according to A) tertiles of GDF-15 levels and B) levels dichotomized using an optimized cut-off of 1298.9 pg/mL and C) need for intervention D) the optimized cut-off and need for intervention.