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Table 2 Description of the 117 new prescribing errors and status of the alert the next day.

From: Chronology of prescribing error during the hospital stay and prediction of pharmacist's alerts overriding: a prospective analysis

Status of the alert the next day Alert
Overridden
Alert
Not overridden
Indeterminate* Alerts posted within 1 or 2 days after prescriptions † All
Error N = 50 N = 46 N = 7 N = 14 N = 117
Type -- no (%)           
Inappropriate choice of drug and/or drug dose 27 (55.6) 26 (57.4) 2 (28.6) 11 (78.6) 66 (56.4)
Drug-drug interaction 10 (20.0) 3 (6.5) 1 (14.3) 2 (14.3) 16 (13.7)
Wrong unit 4 (8.0) 1 (2.2) 1 (14.3) 1 (7.1) 7 (6.0)
Wrong route 1 (2.0) 1 (2.2) 0 (0.0) 0 (0.0) 2 (1.7)
Drug omission 8 (16.0) 14 (30.4) 2 (28.6) 0 (0.0) 24 (20.5)
Duplicate order 0 (0.0) 1 (2.2) 1 (14.3) 0 (0.0) 2 (1.7)
Potential severity -- no (%)           
Life-threatening 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0)
Significant or serious 14 (28.0) 7 (15.2) 2 (28.6) 8 (57.1) 31 (26.5)
None 36 (72.0) 39 (84.8) 5 (71.4) 6 (42.9) 86 (73.5)
  1. * error occurring at the end of follow-up period (the day of discharge or 15th day of stay).
  2. † alerts posted within 1 or 2 days after prescriptions written during the week end.