Modulation of Repolarization and Autonomic Function in Diabetic Patients.

Study 1: 23 healthy controls (mean age 55), 18 patients with coronary artery disease (mean age 59), and 15 diabetic patients (mean age 58). Study 2: 12 diabetic patients (6 with clinical neuropathy, mean age 51; 6 without neuropathy, mean age 50) and 6 healthy controls (mean age 48).

Healthy controls and diabetic patients without autonomic neuropathy

Diurnal variation of QT interval and heart rate variability (high-frequency and low-frequency components) from 24-hour Holter ECGsurrogate