PIK3C2A and myocarditis: Among the noncardiac biomarkers, only CPK was associated (per 100% increase) with the development of myocarditis (HR: 1.83; 95% CI: 1.59–2.10) and all-cause mortality (HR: 1.10; 95% CI: 1.01–1.20) in a multivariable analysis.