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Risk of prevalent atrial fibrillation by sleep duration on polysomnography. ORs ± 95% CIs for prevalent atrial fibrillation, by total sleep time, compared with patients with total sleep time ≥ 6 h, adjusted for age, age-squared, sex, center, BMI, congestive heart failure, hypertension, COPD, coronary artery disease, peripheral arterial disease, cerebrovascular disease, and apnea-hypopnea index. P = .004 for test of linear trend.
