ICU sedation, delirium & recovery

Time-Varying Associations Between Selected Clinical Indicators And In-Hospital Mortality During The Early Period Of Critical Care

Anesth AnalgPublished Retrospective cohort study

Authors' conclusion

The strength of association between selected clinical variables and in-hospital mortality varied with time during early periods of ICU care.

Study context

Population
Adults (aged 18 to 102) treated in three intensive care units (ICUs) at a single academic medical center, 2018 to 2023
Participants
17,769 adults · 19,439 ICU encounters
Outcome
In-hospital mortality (association with nine selected clinical variables across sequential time intervals of early ICU care)
Follow-up
First 20 consecutive time intervals
Methodological detailssingle-centre, time-interval multivariable logistic regression
  • Single-centre
  • Time-interval multivariable logistic regression

Main finding

As reported in the abstract

Odds ratios for in-hospital death by clinical variable across time intervals

Age, sex, platelet count, hemoglobin, transfusion: OR range, small variations across periods of care

1.01 to 1.35

Ventilator use, dialysis, pressors, bilirubin: OR range, varied more widely

1.43 to 4.75

Observational data: associations, not effects.

Further findings

Duration of analysed time intervals of care

Mean duration (± SD), minutes
512 ±215
Median duration (IQR 326-720), minutes
574

Proportion of in-hospital mortality occurring during the first 20 time intervals

One third of in-hospital mortality among ICU patients

Original publication

Time-Varying Associations Between Selected Clinical Indicators And In-Hospital Mortality During The Early Period Of Critical Care. Anesth Analg. Published 16 February 2026. doi:10.1213/ane.0000000000007990

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