The primary outcome measure is the percent of screened participants that are eligible and choose participation Secondary end points will include: participant adherence with the study protocol, change from baseline in A1c and fructosamine, occurrence of wound infections in the 30-day peri-operative period, a composite of death from cardiovascular causes, non-fatal myocardial infarction, coronary artery bypass grafting, percutaneous coronary intervention, nonfatal stroke, or amputation as a result of peripheral ischemia; length of hospital stay; and rate of return to the operating room.