Association between time of day for rapid response team activation and mortality
Authors' conclusion
We found that nighttime RRT calls were not associated with worse outcomes than daytime RRT calls. However, a decrease in the number of calls and higher mortality was observed during nursing handover periods.
Study context
- Population
- All patients with rapid response team (RRT) calls at a tertiary teaching hospital in Porto Alegre, Brazilincluded in final analysis
- Participants
- 4,522 patients
- Exposure
- Nighttime vs daytime RRT activation
- Outcome
- In-hospital mortality rate
Methodological detailssingle-centre, tertiary teaching hospital
- Single-centre
- Tertiary teaching hospital
Main finding
As reported in the abstract
In-hospital mortality
Adjusted odds ratio (95% CI)
12:00-13:00
2.277(1.392–3.725)
19:00-20:00
1.873(1.099–3.190)
- Overall in-hospital mortality rate (1081/4522)
- 23.9%
Observational data: associations, not effects.
Secondary outcomes
Number of RRT calls during nursing handover periods (7:00, 13:00 and 19:00)
- Decrease in number of calls during nursing handover periods
Causes of activation
- Cardiovascular and respiratory changes more common at nighttime; neurological and laboratory changes more common in daytime
Original publication
Association between time of day for rapid response team activation and mortality. J Crit Care. Published 11 June 2023. doi:10.
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