Foss 2006.

Trial name or title	Incidence of delirium in hip fracture patients randomized to regular hypnotics vs placebo
Methods	Randomised controlled trial
Participants	70 years and older admitted for hip fracture
Interventions	Intervention: Zolpidem 5 mg daily in perioperative period Control: Placebo tablet in perioperative period
Outcomes	Primary outcome: Incidence and severity of postoperative delirium. Secondary outcomes: Sleep quality. mobilisation, loss of functional ability, length of stay, sedation, nocturnal nursing events.
Starting date	February 2004
Contact information	Nicolai B Foss, MD, Hvidovre University Hospital
Notes	Clinical trials identifier: NCT00286936