Apnea–Hypopnea Event Duration Predicts Mortality in Men and Women in the Sleep Heart Health Study

Abstract Rationale Obstructive sleep apnea is a risk factor for mortality, but its diagnostic metric—the apnea–hypopnea index—is a poor risk predictor. The apnea–hypopnea index does not capture the range of physiological variability within and between patients, such as degree of hypoxemia and sleep ... View More