Methods	Re-analysed as an ITS design. One site, no control Weekly reminder introduced in January 2007 until August 2007
Participants	Surgery department in a metropolitan tertiary care centre in the USA
Interventions	Online morbidity, mortality and anonymous near misses reporting system. For this review we were interested in one component of the intervention - the introduction of a weekly reminder to report complications and near-misses events
Outcomes	Incident reporting rate
Notes
Risk of bias
Bias	Authors’ judgement	Support for judgement
Incomplete outcome data (attrition bias) All outcomes	Unclear risk	Not specified in the paper
Selective reporting (reporting bias)	Unclear risk	The outcome are not mentioned in the method section
Other bias	Low risk	No evidence of other risk of bias
Other changes	Unclear risk	Not specified in the paper
Shape of the intervention	High risk	The intervention started in July 2005 and the analysis is from September 2005 to August 2007
Data collection	Low risk	The intervention itself included a change in the data collection method
Allocated intervention	Low risk	Objective outcome measure