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The associations between the primary outcomes and the DHA and GNRI values. The cumulative incidences of the primary endpoint (all-cause death) were estimated by using the Kaplan–Meier method. Log-rank testing was performed to study the influence of PUFA levels on primary endpoint. The patients were divided into four groups, based on the median DHA and GNRI values. DHA, docosahexaenoic acid; GNRI, geriatric nutritional risk index.
