Preoperative interventions for reducing anxiety in school-age children undergoing surgery: a network meta-analysis.

This is a protocol for a Cochrane Review (intervention). The objectives are as follows: To compare the benefits and harms of pharmacological and non-pharmacological preoperative interventions (alone or in combination) for reducing anxiety in school-age children undergoing elective surgery under general anaesthesia, and to rank the interventions according to their efficacy and safety.