Table 2.

Study population characteristics by antiepileptic drug (AED) group

	Newer AEDs	Conventional AEDs	Any AED
Prescriptions (%)	79 192 (30.7)	178 471 (69.3)	257 663 (100.0)
Median number of prescriptions (IQR)	20 (7–48)	14 (5–33)	17 (5–41)
Most commonly prescribed drug	Lamotrigine	Valproate	–
Prescriptions (%)	51 204 (19.9)	93 558 (36.3)	–
Subjects* (%)	2 202 (28.5)	7 112 (92.1)	7 721 (100.0)
Male/female	1 023/1179	3 971/3141	4 201/3520
New starters†	1 705	4 407	4 839
Age groups:	–	–	–
< 2 years	176	692	765
2–11 years	717	2 076	2 163
12–18 years	812	1 639	1 911

^*Subjects were counted more than once if prescribed AEDs from both groups.

^†Subjects could be new starter for new and old AED.