| Methods | RCT |
| Participants | N=2949 Patients at high risk of intraoperative awareness |
| Interventions | 1. BIS‐guided general anaesthesia 2. End‐tidal anaesthetic concentration‐guided general anaesthesia |
| Outcomes | ‐recovery time ‐postoperative complications such as postoperative nausea and vomiting and severe postoperative pain |
| Notes | a substudy of the B‐Unaware and BAG‐RECALL trials |
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