Table 4.
Randomized Controlled Trials that Directly Evaluated the Effectiveness of Specific CDSS Features
| Source, Year | # Clinicians* / # Patients* / Duration (mo) | Control | Intervention | Outcome Measure | Effect (Intervention vs. Control) |
|---|---|---|---|---|---|
| Harpole et al., 199723 | 1 hospital/491/5 | CPOE system, in which real-time critiques were presented regarding appropriateness of abdominal radiograph (KUB) orders | CPOE system as in control, but with critiques altered to be more strongly worded and to include institutional evidence to support critiques | % compliance with recommendations to cancel KUBs unlikely to be of diagnostic value
% compliance with recommendations to order alternate views with greater diagnostic value |
NS
NS |
*: The number of subjects for whom the primary outcome measure was reported
NS: No significant difference