ALB and benign neoplasm: The most important features distinguishing the four HCM subtypes determined are: LDH, AO, AOvs, PLWd, LVOT Vmax, MVmeanPG, MVmaxPG, Peak VE/VCO2, presence of heart murmur, AV maxPG, AscAO, AscAO, HCM in family history, serum albumin, weight, LVOT maxPG, MVVTI, AV meanPG, and RVSP.