Gürtan Bölükbasi 2013.

Study characteristics
Methods	Parallel RCT Approved by the ethics committee and informed consents obtained Site: Ankara University Medical School, Turkey Data collection: no information Funding: no information Registration: no information
Participants	31 ASA I to III participants undergoing hip fracture surgery under spinal anaesthesia Excluded: no information Type of fracture: hip fracture Anaesthetic technique for surgery: spinal block Surgical technique: surgery for hip fracture Mean age: no information (range 60 to 90) Percentage female: no information Length of follow‐up: no information
Interventions	Intervention: fascia iliaca compartment block (N = 15) Comparator: no nerve block (N = 16)
Outcomes	Relevant to this review. Pain. Not relevant to this review. Quality of positioning. Haemodynamic variables. Opioid side effects. Quality of sleep.
Notes	Conflict of interest: no information DOI: n/a Study authors contacted on 25 May 2015. Confirmed that they were the authors of the abstracts but did not provide requested information