In this study we analyzed patients glucose levels taken before and after coronary artery bypass surgery. The data are taken from University of Sarajevo Clinics Centre-medical documentation of Heart Center from January 1st. 2007 to October 31st. 2007. https://www.spidertattooz.com/G-G-SSG-1-USR-Airsoft-AEG-Rifle-w-Variable-Angle-Stock-ETU-MOSFET-Red/