The percentage of adequate glycemic control (140-180 mg/dl)hyperglycemia (> 200mg/dl), and hypoglycemia (<70mg/dl) will be determined and compared between patients of the two study groups using the Chi-Square test. Patients demographics and other related parameters (e.g. type of surgery, duration of surgery, BMI, baseline glucose levels, etc) will be compared with the Student t-test. Data analysis will be performed using SPSS program.