Multiple Choice
Which of the following would be most effective in determining if the percentage of medication orders containing errors improved after a hospital installed a computerized medication-tracking system?
A) Compare the proportion of erroneous medication orders before and after system installation for similar periods.
B) Compare the number of errors before and after system installation for similar periods.
C) Compare, after adjusting for the number of patients, the proportion of erroneous medication orders before and after system installation.
D) Compare, after adjusting for the number of patients, the number of errors before and after system installation for similar periods.
Correct Answer:

Verified
Correct Answer:
Verified
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