Overhage 1996.

Study characteristics
Methods	Cluster RCT
Participants	General medical ward, academic medical center, Indianapolis, USA (Wishard Memorial Hospital) 1622 episodes of care, 24 care teams
Interventions	Reminders suggesting orders for 22 preventive care measures in eligible patients
Outcomes	Process adherence (prescribing, testing, vaccination)
Co‐Interventions	Educational: None Beyond Clinician Education: The same reminder(s) appeared on daily printed patient care report in intervention group
CDSS Features ‐ Acknowledgement of CDSS Required	No
CDSS Features ‐ Other	Considered alert fatigue in design, conveyed patient‐specific information, developed by study investigators, included supporting information on‐screen, makes care recommendation, possible to execute desired action, 'pull' mode of delivery, targeted underuse
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	Low risk	N/A