Table 4. Distribution of prescribing events by classification type as determined by case law
Prescribing problemItems with an error, n (%)Items with suboptimal prescribing, n (%)
Unnecessary drug5 (5.4)6 (1.7)
Incorrect drug7 (7.6)30 (8.3)
Duplication5 (5.4)13 (3.6)
Allergy error1 (1.1)0 (0)
Contraindication error3 (3.3)0 (0)
Interaction error1 (1.1)0 (0)
Dose or strength error30 (32.6)39 (10.8)
Formulation error2 (2.2)15 (4.2)
Frequency error1 (1.1)2 (0.6)
Timing error0 (0)15 (4.2)
Information incomplete24 (26.1)117 (32.5)
Generic or brand name error0 (0)8 (2.2)
Omission error relating to failure to prescribe concomitant treatment5 (5.4)7 (1.9)
Inadequate documentation in medical records3 (3.3)52 (14.4)
Quantity error3 (3.3)23 (6.4)
Inadequate review2 (2.2)8 (2.2)
Duration error0 (0)24 (6.7)
Monitoring not requested0 (0)1 (0.3)
Total 92 (100.0) 360 (100.0)