What question did this study set out to answer?

To estimate the reduction in medication errors in hospitals due to the implementation of CPOE systems.

Reduction in medication errors in hospitals due to adoption of computerized provider order entry systems

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Randomized trial demonstrates medication error reduction in hospitals, suggesting significant benefits from CPOE adoption.

To estimate the reduction in medication errors in hospitals due to the implementation of CPOE systems.
Systematic literature review conducted
Random-effects meta-analytic techniques applied
Data pooled from multiple health system surveys to estimate error reduction.
CPOE reduces prescription drug order error likelihood by 48% (95% CI 41% to 55%)
Estimated overall 12.5% reduction in medication errors, equating to ~17.4 million errors averted annually in the USA

Radley et al. (2013) studied this question.

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