Chudinov 1999.

Study characteristics
Methods	Parallel RCT Approved by the ethics committee Site: Sheba Medical Center, Ramat Gan, Israel Data collection: not mentioned Funding: no information Registration: no information
Participants	40 participants (30 female and 10 male) with hip fracture undergoing surgery Excluded: severe cardiac, pulmonary, renal, or liver dysfunction; systemic infection; decubitus ulcer; dementia; aspirin or anticoagulant treatment; allergy to local anaesthetics Type of fracture: hip fracture Anaesthetic technique for surgery: according to assessment, a sciatic nerve block (N = 5), general anaesthesia (N = 1), or spinal anaesthesia (N = 11) was added for participants in the intervention group; neuraxial block (spinal or epidural, N = 19) or general anaesthesia (N = 1) was used for participants in the comparator group Surgical technique: not mentioned Mean age: 80 years (range 67 to 96) Percentage female: 75% Length of follow‐up: 72 hours
Interventions	Intervention: continuous psoas compartment block (N = 20) Comparator: no nerve block (N = 20)
Outcomes	Relevant to this review. Pain. Participant satisfaction (binary scale). Complications. Not relevant to this review. Haemodynamic variables.
Notes	Conflict of interest: not stated DOI: n/a No email address