The percentage of patients 18-75 years of age who had a diagnosis of type 1 or type 2 diabetes and whose diabetes was optimally managed during the measurement period as defined by achieving ALL of the following:
• HbA1c less than 8.0 mg/dL
• Blood Pressure less than 140/90 mmHg
• On a statin medication, unless allowed contraindications or exceptions are present
• Non-tobacco user
• Patient with ischemic vascular disease is on daily aspirin or anti-platelets, unless allowed contraindications or exceptions are present

This is a hospital based, risk adjusted, case mix adjusted morbidity and mortality aggregate outcome measure of adults 18+ years undergoing colon surgery.