Research Article
Changes in Heart Rate Variability of Depressed Patients after Electroconvulsive Therapy
Table 1
Demographic and medical characteristics of study population.
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ECT: electroconvulsive therapy; nicotine use: daily cigarette or pipe use; CAD: coronary artery disease; MI: myocardial infarction; TIA: transient ischemic attack; n/a: not applicable. a values are based on comparisons between excluded and the 2 groups of included (nonresponder, responder) patients. bECT responders: study patients who experienced a decrease in Beck Depression Inventory (BDI) score of ≥50% from pre-ECT-1 BDI score. cECT nonresponders: study patients who experienced a decrease in Beck Depression Inventory (BDI) score of <50% from pre-ECT-1 BDI score. d values are based on comparisons between ECT responders and ECT nonresponders. eHypertension was defined as a persistent diastolic blood pressure at or >90 mm Hg, or systolic blood pressure at 140–180 mm Hg. fHypercholesterolemia: total cholesterol of >200 ng/dL. gObesity as indicated by a body mass index of >25 (calculated as weight in kilograms divided by the square of height in meters). hFirst-degree male relative <55 years and/or first-degree female relative <65 years with CAD, MI, or stroke. iExercise: self-report of regular aerobic exercise of 20-minute duration three times a week. |