Figure 1From: Assessment of insulin resistance by a 13C glucose breath test: a new tool for early diagnosis and follow-up of high-risk patients Patients underwent oral glucose tolerance test and glucose breath test. Correlation between serum glucose levels in the oral glucose tolerance test and PDR in a patient with BMI > 30 (A) before exercise; (B) after exercise; and for a patient with BMI < 30 (C) before exercise; and (D) after exercise.Back to article page