| Characteristics  | 
        Electroencephalography  | 
       
      
        | Abnormal  | 
        Normal  | 
        Unclassified  | 
       
      
        | Focal  | 
        Generalized  | 
        n(%) | 
        n(%) | 
       
      
        | n(%) | 
        n(%) | 
          | 
          | 
       
      
        | Age (years)  | 
        <1  | 
        1(3.8)  | 
        0  | 
        12(46.2)  | 
        13(50.0)  | 
       
      
        | 10-Jan | 
        5(6.1)  | 
        3(3.7)  | 
        28(34.1)  | 
        46(56.1)  | 
       
      
        | 20-Nov | 
        9(3.7)  | 
        6(2.5)  | 
        126(51.6)  | 
        103(42.2)  | 
       
      
        | 21-30 | 
        7(3.3)  | 
        5(2.4)  | 
        124(59.0)  | 
        74(35.2)  | 
       
      
        | 31-40 | 
        7(6.8)  | 
        2(1.9)  | 
        60(58.3)  | 
        34(33.0)  | 
       
      
        | 41-50 | 
        3(4.1)  | 
        2(2.7)  | 
        49(67.1)  | 
        19(26.0)  | 
       
      
        | 51-60 | 
        0  | 
        0  | 
        30(73.2)  | 
        11(26.8)  | 
       
      
        | >61 | 
        0  | 
        0  | 
        35(67.3)  | 
        17(32.7)  | 
       
      
        | Epilepsy types  | 
        Generalized | 
        13(5.3)  | 
        7(2.8)  | 
        127(51.8)  | 
        98(40.0)  | 
       
      
        | Partial | 
        1(1.3)  | 
        1(1.3)  | 
        51(68.0)  | 
        22(29.3)  | 
       
      
        | Syndrome | 
        0  | 
        0  | 
        1(33.3)  | 
        2(66.67)  | 
       
      
        | Unclassified | 
        18(3.5)  | 
        10(1.9)  | 
        285(56.1)  | 
        195(38.3)  | 
       
      |