Table 1.

Characteristics of Patients on First- and Second-Generation Antiepileptics

Characteristic	First-generation drug (N=2527)	Second-generation drug (N=2139)	P-value
Mean age, years	9.8	11.5	<0.001
Female, N (%)	42	51	<0.001
Mean total number of medical encountersa, N	21.3	20.7	0.34
Mean number of outpatient visitsb	20.4	21.0	0.34
Mean number of hospitalizations	0.3	0.3	0.56
Mean total number of drugs prescribeda,c, N	5.9	6.5	<0.001

^aDuring first year of therapy

^bExcludes emergency department visits

^cIncludes non-antiepileptic agents