ICU sedation, delirium & recovery

Early sitting within 72 hours in the intensive care unit and post–intensive care outcomes: a multicenter cohort study

Ann Intensive CarePublished multicenter observational cohort study

Main finding · Death or functional decline, assessed using the Kihon ChecklistResult — go to the resultAdjusted relative risk 0.94 95% CI 0.80–1.09

Authors' conclusion

Achieving sitting within 72 h of ICU admission was not associated with death or functional decline at 3 months. The exploratory associations with cognitive-functional impairment and readmission-related outcomes may reflect the selection of clinically stable patients for early sitting rather than an effect of sitting itself. These findings support the feasibility of early sitting in clinically stable patients but do not establish early sitting as a therapeutic target; randomized trials are needed.

Study context

Population
Mechanically ventilated adult intensive care unit (ICU) survivors who underwent rehabilitation
Participants
423 patients
Exposure
Achievement of sitting within 72 h of ICU admission
Outcome
Death or functional decline, assessed using the Kihon Checklist
Follow-up
3 months after hospital discharge
Methodological detailsoverlap propensity score weighting, prespecified sensitivity analyses, Benjamini-Hochberg (BH) multiplicity adjustment
  • Overlap propensity score weighting
  • Prespecified sensitivity analyses
  • Benjamini-Hochberg (BH) multiplicity adjustment

Main finding

As reported in the abstract

Adjusted relative risk

0.94

95% CI 0.80–1.09

P = 0.401

Early sitting vs Did not achieve early sitting
aRR 0.94 (95% CI 0.80–1.09); P = 0.401

Observational data: associations, not effects.

Further findings

OutcomeaRR (95% CI)P value
Cognitive domain impairment or death (exploratory)Early sitting vs Did not achieve early sitting · BH-adjusted p = 0.096 · exploratory analysis0.80 (0.67–0.97)P = 0.024
Readmission or death (exploratory)Early sitting vs Did not achieve early sitting · BH-adjusted p = 0.027 · exploratory analysis0.53 (0.32–0.88)P = 0.014
  • Cognitive domain impairment or death (exploratory): the cognitive association was not observed under a stricter definition
  • Readmission or death (exploratory): Associations with readmission-related outcomes were attenuated after adjustment for Day-3 clinical status

Individual KCL items

No individual KCL item showed a clear association after weighting

Parts of this Brief are withheld: the automatic checks could not confirm them against the abstract.

Original publication

Early sitting within 72 hours in the intensive care unit and post–intensive care outcomes: a multicenter cohort study. Ann Intensive Care. Published 7 October 2026. doi:10.1016/j.aicoj.2026.100181

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