Movafegh 2008.

Methods	Anaesthetic drugs used: alfentanil 15mcg/kg, propofol 2.5 mg/kg, cisatracurium 0.2mg/kg, ketorolac 0.5mg/kg. Maintainance with propofol 100 mcg/kg/min and alfentanil 1mcg/kg/min Premed‐induction interval: 90mins
Participants	60 patients
Interventions	Drug(s) and dose: Passiflora incarnata 500mg vs placebo
Outcomes	TDT and DSST on arrival in operating theatre, 30 mins and 90mins after extubation Time interval from arrival in PACU to discharge home
Notes	1) Patient's assessment of anxiolysis by numerical rating scale. Significant reduction in anxiety following Passiflora incarnata. No difference in sedation levels 2) Difference from placebo? No significant difference in discharge time
Risk of bias
Bias	Authors' judgement	Support for judgement
Adequate sequence generation?	Low risk	Computer generated random list
Allocation concealment?	Unclear risk	Method unclear