IDH2 and central nervous system cancer: (ii)In IDH-wild-type (the glioma type with the worst prognosis) vs IDH-mutant_1p/19qcodel (the glioma type with the best prognosis), only higher amide/amine signal ratio in IDH-wild-type was observed, with both AB and FS models, with thresholds of 1.52 (1.66) for the AB (FS), 78% sensitivity for both AB and FS, and specificity of 69% for AB and 77% for FS.