TNNT2 and myocarditis: However, cTnT was suggested to be more sensitive, as Lehman et al. [30] found that increased rate of positivity for cTnT (93%) versus cTnI (64%) in 60 patients with ICI myocarditis and a cTnT:URL ratio <32 within 72 h of admission were associated with a subgroup at low risk of MACEs (major cardiac adverse events).