Q: Which abbreviation cause the most confusion and largest numbers of error ?
A: QD = once daily
In one recent study "The Impact of Abbreviations on Patient Safety", published in The Joint Commission Journal on Quality and Patient Safety, found that "QD=Once daily" cause 43.1 % of errors out of all abbreviation errors.
From 2004 through 2006 a total of 29,974 medication errors were reported to the MEDMARX program from, attributable to abbreviation use. The top 5 confusing abbreviations were
- "QD” (once daily) = 43.1%
- “U” (units) = 13.1%,
- “cc” (mL) = 12.6%,
- “MSO4” or “MS” (morphine sulfate) = (9.7%), and
- decimal errors = 3.7%
The total number of medication errors were 643,151, over study period (2004-2006) !
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Reference: click to get abstract / article if available
1. The Impact of Abbreviations on Patient Safety - The Joint Commission Journal on Quality and Patient Safety, September 2007 Volume 33 Number 9