TABLE 3.

Associations Between Using a Given Antiseizure Medication and SWS Characteristics

Medication	Using Levetiracetam	Using Oxcarbazepine	Using Phenobarbital	Unilateral Versus Bilateral B.I.	Bilateral B.I. and Early Sz Onset	Fam Hx of Sz	Adult Versus Child Status	Under Versus Over 2 Years
Aspirin	1.000	0.134	1.000	0.163	0.176	0.561	0.001▲	0.579
Carbamazepine	0.037	0.000	0.033▲	1.000▲	0.389▲	0.807	0.060▲	0.031
Lamotrigine	1.000	0.112	0.217▲	0.396▲	0.362▲	0.427	0.001▲	0.004
Levetiracitam	——	0.173	0.025	0.440	0.402	0.006	0.377	0.000
Oxcarbazepine	0.173	——	0.053	0.753	0.305	0.556	0.000	0.324
Phenobarbital	0.025	0.053	——	0.003	0.003	0.687	0.004	0.000
Zonisamide	0.259	0.573	0.420▲	0.140▲	0.104▲	0.042▲	1.000▲	0.524▲

Abbreviations:

B.I. = Brain involvement

Fam = Family

Hx = History

SWS = Sturge-Weber syndrome

Sz = Seizure

Bold face denotes a significant P value.

^▲Fisher’s exact test.