Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Adverse effects
RCT	186 people with carotid artery stenosis	Intraoperative complications with local anaesthesia with general anaesthesia
RCT	186 people with carotid artery stenosis	Neurological complications 2/91 (2.2%) with local anaesthesia 2/95 (2.1%) with general anaesthesia	Reported as not significant P value not reported		Not significant
Systematic review	People undergoing surgery for repair of hip fracture	Complications with neuraxial blockade with general anaesthesia