BMI: body mass index; CAD: coronary artery disease; PCI: percutaneous coronary intervention; LVEF: left ventricular ejection fraction; CABG: coronary artery bypass graft; ACEI/ARB: angiotensin converting enzyme inhibitors/ angiotensin receptor blocker; CCB: calcium channel blocker; HADS-A: hospital anxiety and depression scale-anxiety; HADS-D: hospital anxiety and depression scale-depression; SF-12 PCS: 12-Item Short-Form Health Survey Physical Component Summary; SF-12 MCS: 12-Item Short-Form Health Survey Mental Component Summary. Here, ACE is linked to major depressive disorder.