- The cut-off point hs-TnT concentration ≥ 447.0 ng / L, NT - proBNP ≥1840.0 pmol / L, hs-CRP ≥ 7.025 mg / L should be combined when the patient is admitted to the hospital in combination with the TIMI ≥ 4.5 points and GRACE ≥ 142.5 points to predict cardiovascular events, especially fatal events, to have a suitable att itude in treatment management, prognosis for patients with idiopathic elevation.