Table 4 Demographic and clinical characteristics of patients with and without IED within 12 h

N

204

37

Female, n(%)

95 (46.6%)

12(32.4%)

0.06

Age of seizure onset, years median(IQR)

24.2(15.0–49.3)

29.9(17.7–44.0)

0.50

Age, years median(IQR)

29.2(18.9–54.0)

35.5(25.5–51.6)

0.15

Seizure frequency, per month/ median(IQR)

1.0(0.2–4.0)

0.4(0.1–2.0)

0.04^*

Interval between the last seizure and VEM, days/ median(IQR)

8.0(4.0–18.0)

12.0(5.0–176.0)

0.05^*

Neuroimaging results, n(%)

Normal

90(44.1%)

14(37.8%)

0.24

Nonspecific abnormalities

43 (21.1%)

12 (32.4%)

Focal lesions

21 (10.3%)

2 (5.4%)

Absence

50 (24.5%)

9 (24.3%)