TNNT2 and coronary artery disorder: According to the four newly defined groups mentioned above, the NCA and normal hs-cTnT group comprised 54 patients, the CAD and normal hs-cTnT group comprised 23 patients, the NCA and elevated hs-cTnT group comprised 53 patients, and the CAD and elevated hs-cTnT group comprised 32 patients.