Table 5.

Factors Predicting Poor Seizure Control as Found in Various Studies

Predictors	Referencs
Remote symptomatic etiology	Berg et al.(5),Kwong et al. (7),Chawla et al.(8),Shinnar et al. (9),Shinnar et al. (10),Sillanpaa et al. (11),Casetta et al. (12)
High initial seizure frequency	Malik et al. (6),Kwong et al. (7), Sillanpaa et al. (11),Casetta et al. (12),Stroink et al. (13),Tripathi et al. (14),Oskoui et al. (15)
Need of polytherapy	Tripathi et al. (14),Lohani et al. (16),Beume et al. (17)
Young age at onset	Berg et al. (5),Malik et al. (6),Chawla et al. (8),Shinnar et al. (9),Shinnar et al. (10),Casetta et al. (12),Tripathi et al. (14),Bouma et al. (18)
Abnormal electroencephalogram	Malik et al. (6),Shinnar et al. (9),Shinnar et al. (10),Stroink et al. (13)
Abnormal neuroimaging	Tripathi et al. (14)
Abnormal neurological examination	Chawla et al. (8),Lohani et al. (16)
Abnormal development	Kwong et al. (7),Tripathi et al. (14),Oskoui et al. (15)
Abnormal intelligence	Oskoui et al. (15),Bouma et al. (18)
Seizure type	Berg et al. (5), Malik et al. (6),Chawla et al. (8),Tripathi et al. (14),Oskoui et al. (15)
Prior febrile convulsion	Shinnar et al. (9),Shinnar et al. (10),Tripathi et al. (14)
Male gender	Malik et al. (6)
Head trauma	Malik et al. (6)
Cryptogenic etiology	Malik et al. (6)