Jhamb M, Ran X, Abdalla H, et al. - By performing this prospective cohort analysis, researchers focused on the link between sleep apnea and mortality among patients with CKD and ESKD. In-home polysomnography was performed among 180 patients (88 with CKD stage 4 or 5, 92 with ESKD). Experts collected sleep apnea measures, ie, apnea-hypopnea index (AHI) and nocturnal hypoxemia. From the National Death Index, mortality data were extracted. A median follow-up of 9 years was performed. After adjusting for age, gender, race, diabetes, body mass index, CKD/ESKD status, and kidney transplant status, no significant link was identified between AHI and mortality. Findings revealed a significant correlation between hypoxemia-based measures of sleep apnea and increased risk of mortality among advanced CKD and ESKD.