Why have most CDS systems not shown to significantly impact patient ou

QUESTION

Why have most CDS systems not shown to significantly impact patient outcomes in clinical trials, despite the fact that a majority of systems have been shown to significantly improve care processes?

a. CDS systems have not been evaluated in clinical trials.
b. Very few studies have assessed the impact of CDS systems on patient outcomes.
c. Many CDS system evaluation trials are underpowered to detect changes in care outcomes.
d. CDS systems have been implemented and evaluated in too many diverse institutions.

ANSWER:

ANS: C
The sample sizes of many CDS system evaluation studies were too small or conducted with too short of a time period to detect changes in care outcomes.