Ridderikhof 2015.

Study name	A multicenter randomized controlled trial in elderly patients with hip fractures comparing continuous fascia iliaca compartment block to systemic opioids and its effect on delirium occurrence
Methods	Parallel RCT, open label Approved by the ethics committee and informed consent obtained Site: Academisch Medisch Centrum ‐ Universiteit van Amsterdam, The Netherlands Data collection: May 2016 to December 2021 Funding: governmental Registration: NCT02689024
Participants	340 participants ≥ 55 years of age with radiographically confirmed hip fracture Excluded: multiple injuries (polytrauma patients), previous adverse reaction or known allergy to local anaesthetics or opioids or paracetamol, skin infection in proximity of injection site, delirious state at presentation in the emergency department Type of fracture:  hip fracture Anaesthetic technique for surgery: to be determined Surgical technique:  to be determined Mean age: (range ): to be determined Percentage female: % to be determined Length of follow‐up:  3 months
Interventions	Intervention: compartment fascia iliaca block Comparator: no block
Outcomes	Relevant to this review. Pain. Acute confusional state. Mortality. Opioids. Participant satisfaction. Cost. Complications. Not relevant to this review. Hospital length of stay. Intensive care unit admission. Intensive care unit length of stay. Hospital re‐admission rate. Functional recovery. Quality of life. Cognitive function.
Starting date	First posted: 23 February 2016 Study start date: May 2016 Study completion date: April 2022 Last update posted: 27 March 2019
Contact information	Milan Ridderikhof, The Netherlands
Notes	Conflict of interest: to be determined DOI: to be determined