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. 2013 Nov 19;22(5):429–432. doi: 10.1016/j.jsps.2013.11.003

Table 1.

The most common types of reported medication prescribing errors.

Error type Frequency
Wrong dose 1099 (53%)
Wrong drug 203 (10%)
Wrong frequency 180 (9%)
Two conflicting doses 130
Duplication 73
Incomplete order 65
Wrong duration 49
Wrong patient 43
Unauthorized/non-approved drug prescribed 39
Wrong or unspecified dosage form 30
Others 162
Total 2073