Thomas 2010.

Methods	Randomised trial
Participants	Interns were non‐NRP certified admitted during the years 2007 and 2008
Interventions	2‐hour teamwork training intervention with low‐fidelity, high‐fidelity NRP. Control participants practised low‐fidelity NRP without team training
Outcomes	Teamwork behaviour: teamwork event rate, workload management and vigilance NRP performance: performance scores and duration of resuscitation
Notes	Data acquired from the author for meta‐analysis
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Low risk	Random number generator
Allocation concealment (selection bias)	Unclear risk	Not clear
Blinding of participants and personnel (performance bias) All outcomes	Unclear risk	Blinding was not possible
Blinding of outcome assessment (detection bias) All outcomes	Low risk	Video recordings reviewed by assessors unaware of status
Incomplete outcome data (attrition bias) All outcomes	Low risk	90.7% follow‐up at 6 months
Selective reporting (reporting bias)	Low risk	Not noted
Other bias	Low risk	Not noted