Abstract Background Immune checkpoint inhibitor (ICI)-associated myocarditis is a rare but life-threatening immune-related adverse event (irAE). Cardiac troponin (cTn) and absolute lymphocyte count (ALC) have been reported to be associated with ICI-myocarditis. Objective We aimed to investigate the prognostic value of the combination of these two features (cTn/ALC ratio) in ICI-associated myocarditis. Methods Our center performed a retrospective analysis of 46 patients with ICI myocarditis (cases) and 46 patients without myocarditis after receiving ICI (controls). We obtained data on cardiac […]