Risk stratification of patients with AL amyloidosis by plasma troponin T levels. (A) Association of hs-TnT plasma levels of patients with light-chain AL with survival stratified by 4 subgroups of patients. n.s. indicates not significant. (B) The subgroup of patients with hs-TnT plasma level between 3 and 50 ng/L were stratified by the IVS thickness more than versus less than 15 mm.