Table 1

12-month outcome of initial antiepileptic drug prescription by drug type

DrugNumber of patients at 12 monthsNumber (%) of patients continued on original therapyNumber (%) of patients continued on original therapy with add-on treatmentNumber (%) of patients switched to a different drug(s)Number (%) of patients who discontinued medication
Carbamazepine545412 (75.6)33 (6.1)73 (13.4)27 (5.0)
Sodium valproate615504 (82.0)48 (7.8)38 (6.2)25 (4.1)
Lamotrigine8061 (76.3)7 (8.8)11 (13.8)1 (1.3)
Phenytoin225177 (78.7)8 (3.6)29 (12.9)11 (4.9)
All products14651154 (78.8)96 (6.6)151 (10.3)64 (4.4)