Research Article

Early Prediction of Epilepsy after Encephalitis in Childhood Based on EEG and Clinical Features

Table 1

Baseline characteristics of encephalitis patients in training set and validation set.

VariablesTraining set (n = 184)Validation set (n = 71)t/χ2P

Age (years)7.78 ± 1.368.06 ± 1.621.4070.161
Male (n (%))129 (70.11)55 (77.46)1.3800.240
WBC (x 109/L)9.23 ± 3.377.89 ± 2.651.6140.108
NLR6.06 ± 1.265.78 ± 1.570.3310.741
Hemoglobin (g/L)102.92 ± 24.53104.39 ± 25.720.4230.673
Platelet count (x 109/L)78.40 ± 61.3578.06 ± 47.020.0420.966
Albumin (g/L)29.19 ± 6.3328.78 ± 6.100.4650.642
Globulin (g/L)31.30 ± 6.8131.88 ± 6.180.6270.531
Epilepsy = first symptom (n (%))54 (29.35)19 (26.76)0.1680.682
Fever (n (%))101 (54.89)36 (50.70)1.4280.232
Consciousness disorder (n (%))47 (25.54)18 (25.35)0.0010.975
Partial seizure (n (%))144 (78.26)55 (77.46)0.0190.891
Epilepsy frequency ≥10/day (n (%))26 (14.13)11 (15.49)0.0770.782
MRI : Intracranial inflammation (n (%))109 (59.24)45 (63.38)0.3670.544

Electroencephalogram slow wave/fast wave frequency
Forehead region0.50 ± 0.200.48 ± 0.220.7920.429
Central region0.40 ± 0.200.39 ± 0.210.1680.867
Top region0.44 ± 0.150.45 ± 0.170.4020.688
Temporal region0.35 ± 0.120.38 ± 0.181.5610.120
Occipital region0.35 ± 0.130.35 ± 0.150.3630.717

Note. WBC, white blood cell count; NLR, neutrophil to lymphocyte ratio.