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. 2009 Oct 7;2009(4):CD002192. doi: 10.1002/14651858.CD002192.pub2

Richardson 1997.

Methods Anaesthetic drugs used: fentanyl 1.5 microgkg‐1, propofol 2mgkg‐1, mivacurium 0.2mgkg‐1, 30% O2 in N2O, isoflurane 
 Premed‐induction interval: 10
Participants 30
Interventions Drug and dose: midazolam 0.04mgkg‐1 intravenously vs. placebo
Outcomes DSST, TDT 60 mins after emergence. Time spent in PACU, time to readiness for discharge
Notes 1) No data on preoperative effect of medication ‐ not focus of study 
 2) Difference from placebo? No
Risk of bias
Bias Authors' judgement Support for judgement
Adequate sequence generation? Unclear risk Method of randomization unknown
Allocation concealment? Unclear risk Unclear