Phase-dependent intake and 90-day mortality by nutrition status in invasive mechanical ventilation critically ill adults: A retrospective cohort study.

June 1, 2026

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Key Points

This study aims to analyze the effects of nutrition intake on mortality in critically ill adults on mechanical ventilation based on their nutritional status.
Conducted a retrospective cohort study involving 595 critically ill adults receiving mechanical ventilation.
Categorized patients based on energy and protein intake during different phases of ICU admission.
Analyzed differences in 90-day mortality using Cox proportional hazards analyses.
Higher energy intake during the recovery phase correlated with lower mortality (p = 0.002).
Energy intake associations with mortality during recovery were significant for both well-nourished (p = 0.007) and malnourished patients (p = 0.05).
Protein intake during recovery phased showed a significant association with mortality in malnourished patients (p = 0.007), but not well-nourished.

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Retrospective cohort study explores the impact of nutrition status on 90-day mortality in critically ill adults.

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Lee et al. (2026) studied this question.

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