Table 1

 Number, frequency, and potential severity of each type of error

Type of errorTotal (n = 389)Frequency per medication observations*(n = 426)NCC MERP severity rating
*Percentages in this column do not add to 100 because some medications had more than one error.
No rate on label19546%195
Unauthorized medication6816%653
Patient identification error5513%55
Rate deviation379%29413
Incorrect rate on label164%16
Incorrect medication143%1121
Delay of rate or medication change41%22
Total373 (96%)8 (2%)5 (1%)3 (1%)