Patient information and classification performance.

a = GBMs in which the MGMT promoter is methylated.b = GBMs in which the MGMT promoter is not methylated.c = Total number of patients with each diagnosis.d = number of males and females tested and median age±standard deviation.e = classification specificity of that tumor type vs. control.f = classification sensitivity of that tumor type vs. control.g = classification accuracy of that tumor type vs. control using LDA and LOOCV.h = area under the ROC (Receiver Operator Characteristic) curve.