Gille 2006.

Study characteristics
Methods	Parallel RCT Approved by the ethics committee and informed consents obtained Site: St.Georg, Leipzig, Germany Data collection: no information Funding: corresponding study author had no relationship with any mentioned product nor competitors classified as departmental resources Registration: no information
Participants	100 participants with an isolated hip fracture Excluded: < 18 years old, uncooperative, with contraindications to regional anaesthesia or drugs used in the protocol, long‐term use of opioids and/or opioid dependence, history of ulcers, multiple trauma, absence of consent, anaesthetists inexperienced (fewer than 5) with the technique Type of fracture: intracapsular (43%), extracapsular (57%) Anaesthetic technique for surgery: spinal (75%) or general anaesthesia (25%) Surgical technique: prosthesis (41%), osteosynthesis (59%) Mean age: 80 years (range 35 to 103) Percentage female: 77% Length of follow‐up: 72 hours
Interventions	Intervention: continuous femoral nerve block (N = 50) Comparator: no nerve block (N = 50)
Outcomes	Relevant to this review. Pain. Complications. Not relevant to this review. Opioid side effects.
Notes	Conflict of interest: "there is no conflict of interest" DOI: 10.1007/s00101‐005‐0949‐4 Email sent on 5 January 2020 Sources obtained for risk of bias assessment. Journal article with results of the trial.