Error Type MP EP1 EP2 P Value
Name of drug 2 1 3 ns
Dosage form 2 1 2 ns
Route of administration 38 2 0 p<0,001
Dose 156 4 2 p<0,001
Units of measurement 295 1 1 p<0,001
Timing: hour and frequency of administration 27 20 8 p<0,001
Medication order 14 18 10 ns
Table 2: Medication errors over three study periods according to type MP: phase
1 (manual prescription), prior to electronic prescription implementation EP1: phase
2 (electronic prescription), one month after electronic prescription implementation PE2: phase 3 (electronic prescription), two months after electronic prescription implementation ns: not statistically significant.