Henderson 2008.

Study characteristics
Methods	Parallel RCT Approved by the ethics committee Site: Beth Israel Medical Center, New York, NY, USA Data collection: no information Funding: departmental/institutional Registration: no information
Participants	14 participants older than 55 years of age presenting with acute hip fracture Excluded: no information Type of fracture: hip fracture Anaesthetic technique for surgery: not mentioned Surgical technique: no information Median age: 78 years (range not stated) Percentage female: 64% Length of follow‐up: 24 hours or until surgery
Interventions	Intervention: femoral nerve block (N = 6) Comparator: no nerve block (N = 8)
Outcomes	Relevant to this review. Pain. Opioid consumption. Complications. Not relevant to this review. Rescue analgesia.
Notes	Conflict of interest: no information DOI: n/a Conference abstract; reported as preliminary results of a larger trial No email address Sources obtained for risk of bias assessment. Conference abstract about the trial.