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Table 4 Demographic and clinical predictors of drug-resistance in univariate analysis

From: The long-term prognosis and predictors of epilepsy: a retrospective study in 820 patients

Variables DRE n = 322 Remission n = 388 P-value
Sex, male, n (%) 174 (54.0) 222 (57.2) 0.396
Age at seizure onset, years, median (IQR; range) 15 (10–25; <  1–70) 15 (10–24; <  1–77) 0.561
Age at seizure onset, ≤12 years, n (%) 113 (35.1) 140 (36.1) 0.784
Seizure frequency at first arrival, ≥ 1 /month, n (%) 242 (75.2) 186 (47.9) <  0.001
Number of AEDs at first arrival, n (%)    <  0.001
 0 49 (15.2) 155 (39.9)  
 1 134 (41.6) 147 (37.9)  
  ≥ 2 139 (43.2) 86 (22.2)  
Family history of epilepsy or FS, n (%) 25 (7.8) 34 (8.8) 0.631
History of FS, n (%) 28 (8.7) 40 (10.3) 0.467
EEG results at first arrival, n (%)    <  0.001
 Normal 47 (14.6) 135 (34.8)  
 Epileptiform abnormality 217 (67.4) 199 (51.3)  
 Not available 58 (18.9) 54 (13.9)  
MRI results, n (%)    <  0.001
 Normal 124 (38.5) 227 (58.8)  
 Abnormal 174 (54.0) 129 (33.4)  
 Not available 24 (7.5) 30 (7.8)  
Type of epilepsy, n (%)    <  0.001
 Idiopathic 27 (8.4) 87 (22.4)  
 Symptomatic 160 (49.7) 100 (25.8)  
 Cryptogenic 135 (41.9) 201(51.8)  
Observation time during study, years, median (IQR; range) 3.5 (2.3–4.7; 1.0–10.6) 3.6 (2.4–5.0; 1.0–12.3) 0.175
  1. DRE drug resistant epilepsy, ref reference for odds ratio, FS febrile convulsions