Beeler 2014.

Study characteristics
Methods	Cluster RCT
Participants	Academic medical center, Switzerland (University Hospital Zurich) 15 736 patients, 6 departments
Interventions	CDSS displayed for patients who did not receive a thromboprophylaxis order within the first 6h of admission or transfer. To improve specificity, he algorithm checked for thromboprophylaxis orders that were active within the 0–30h time frame after admission or transfer.
Outcomes	Process adherence (prescribing), clinical endpoint (four outcomes pertaining to bleeding, heparin‐induced thrombocytopenia, venous thromboembolism)
Co‐Interventions	Educational: None Beyond Clinician Education: None
CDSS Features ‐ Acknowledgement of CDSS Required	No
CDSS Features ‐ Other	Considered alert fatigue in design, conveyed patient‐specific information, makes care recommendation, other concurrent CDSS, 'push' mode of delivery, targeted underuse, user workflow considered in design
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment (selection bias)	Unclear risk	N/A
Incomplete outcome data (attrition bias) All outcomes	Low risk
Baseline characteristics similar?	Low risk
Unit of analysis error	High risk