Association Between Pre-Operative Glycated Hemoglobin Level And Early Outcomes After Cardiac Bypass Graft Surgery In Non-Diabetic Patients With Coronary Artery Disease = Hubungan Antara Kadar Hemoglobin Terglikasi Pra Operasi dan Luaran Awal Pasca Bedah Pintas Arteri Koroner pada Pasien Non Diabetes dengan Penyakit Jantung Koroner