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Table 1 Primary and secondary study outcomes

From: Enteral vs. intravenous ICU sedation management: study protocol for a randomized controlled trial

Primary outcome

Secondary outcomes

Percentage of efficacy (measured as observed RASS = target RASS ±1)

- Sedation protocol effectiveness (percentage of ‘protocol violation days’ on the total of ICU days)

 

- Delirium- and coma-free days (respectively negative CAM-ICU and RASS ≥ −3 in all daily observations until ICU day 28)

 

- Ventilation-free days

 

- Nursing evaluation of sedation adequacy (communication skills, cooperation, environment tolerance)

 

- Overall ICU and hospital mortality

 

- Absolute mortality 1 year after ICU discharge

 

- Sedative drug costs

 

- Indirect markers of inefficacy and side effects, like prevalence of ‘dangerous episodes’ (self-extubation, removal of other invasive tools), length of ICU and hospital stay, use of anti-psychotic drugs as indirect marker of delirium, indicators of sedation failure (use of physical restraints, antagonists administration like flumazenil or naloxone), sepsis prevalence.