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There is limited research on suicidal behavior and all\u2010cause mortality in the oldest old after ECT.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Older adults aged 75\u00a0years and above who had been inpatients for moderate to severe depression between January 1, 2011, and December 31, 2017, were included in the study. We used exact and propensity score matching to balance groups. We compared suicidal behavior (fatal and non\u2010fatal) and all\u2010cause mortality in those who had received ECT and those with other depression treatments.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Of the study population, 1802 persons who received ECT were matched to 4457 persons with other treatments. There were no significant differences in the risk of suicidal behavior between groups, (within 3\u00a0months: odds ratio 0.73; 95% confidence intervals (CI), 0.44\u20131.23, within 4\u00a0months to 1\u00a0year: aOR 1.34; 95% CI, 0.84\u20132.13). All\u2010cause mortality was lower among ECT recipients compared to those who had received other treatments, both within 3\u00a0months (aOR, 0.35; 95% CI, 0.23\u20130.52), and within 4\u00a0months to 1\u00a0year (aOR 0.65; 95% CI, 0.50\u20130.83).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Compared to other depression treatments, ECT is not associated with a higher risk of suicidal behavior in patients aged 75 and above. ECT is associated with lower all\u2010cause mortality in this age group, but we advise caution regarding causal inferences.<\/jats:p><\/jats:sec>","DOI":"10.1002\/gps.6102","type":"journal-article","created":{"date-parts":[[2024,5,20]],"date-time":"2024-05-20T15:58:42Z","timestamp":1716220722000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Suicidal behavior and all\u2010cause mortality in depressed older adults aged 75+ treated with electroconvulsive therapy: A Swedish register\u2010based comparison study"],"prefix":"10.1002","volume":"39","author":[{"given":"Khedidja","family":"Hedna","sequence":"first","affiliation":[{"name":"Department of Psychiatry and Neurochemistry AgeCap Center Gothenburg University  Gothenburg Sweden"},{"name":"Department of Psychiatry and Neurochemistry Neuropsychiatric Epidemiology Unit Sahlgrenska Academy University of Gothenburg  Gothenburg Sweden"},{"name":"Statistikkonsulterna 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