Uysal 2018.

Study characteristics
Methods	Parallel RCT Approved by the ethics committee and informed consent obtained Site: Mugla Sitki Koçman University Training and Research Hospital,  Isparta, Turkey Data collection: 15 April 2018 to 18 May 2018 Funding: departmental/institutional Registration: ACTRN12618000546257
Participants	110 ASA II to IV participants > 65 years of age with hip fracture Excluded: preexisting delirium at admission to emergency service, femur fracture due to metastatic carcinoma, bupivacaine allergy, cholinesterase inhibitor or levodopa medication, parkinsonism or epilepsy, contraindication for nerve blockage. Patients operated longer than 48 hours after admission were excluded from the trial Type of fracture: trochanteric femur fracture Anaesthetic technique for surgery: combined spinal/epidural; both groups had postoperative epidural analgesia Surgical technique: no information Mean age: 81.7 years (range not stated) Percentage female: 44% Length of follow‐up: 3 days
Interventions	Intervention: continuous femoral nerve block (N = 46) Comparator: no nerve block and IV paracetamol (N = 45)
Outcomes	Relevant to this review. Pain (postoperative pain scores not retained because both groups had postoperative epidural analgesia). Acute confusional state.  Mortality (not retained for this review because all participants received epidural analgesia after surgery). Not relevant to this review. Inflammation (including CSF measurements sampled during spinal blockade). Rescue analgesia.
Notes	Conflict of interest: "none declared" DOI: 10.14744/tjtes.2019.78002 Email sent to authors 23 January 2020 Sources obtained for risk of bias assessment. Journal article with results of the trial.  Non‐commercial trial registry record.