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Adjusted 1-year mortality, stratified by quartiles of admission osmolality.
HR 1.73 (95% CI 1.02–2.91); p=0.04 for quartile 4 vs. quartiles 1–3. In order to exclude critically ill patients, landmark analysis from 30 days to 1 year was performed, demonstrating similar rates of death for quartile 4 vs. quartiles 1–3: HR 1.21 (95% CI 0.55–2.66); p=0.642).
