Table 2 Result of Kaplan–Meier survival analysis
Factor | Number | Median latency of the first IED (IQR) | χ2 | p |
|---|---|---|---|---|
GENDER | 2.59 | 0.11 | ||
Male | 134 | 43.5(17.0–280.0) | ||
Female | 107 | 57.0(17.0–162.0) | ||
Age of seizure onset (years) | 54.06 | 0.00 | ||
≤ 20 | 82 | 29.0(13.0–60.3) | ||
21–30 | 47 | 33.0(14.0–170.0) | ||
31–40 | 27 | 93.0(18.0–534.0) | ||
41–50 | 23 | 482.0(69.0–1440.0) | ||
51–60 | 31 | 161.0(32.0–608.0) | ||
> 60 | 31 | 50.0(21.0–122.0) | ||
Seizure frequency (/year) | 6.38 | 0.27 | ||
≥ 365 | 27 | 77.5(23.8–227.8) | ||
12–365 | 60 | 47.0(19.0–94.0) | ||
2–12 | 98 | 63.0(17.0–271.0) | ||
1 -2 | 23 | 161.0(17.0–1440.0) | ||
0.5 -1 | 23 | 103.0(22.5–976.5) | ||
< 0.5 | 10 | 743.5(15.3–1440.0) | ||
Interval between the last seizure and VEM, (days) | 22.79 | 0.00 | ||
≤ 7 | 98 | 34.0(13.0–122.0) | ||
7–14 | 59 | 54.0(19.8–142.0) | ||
15–30 | 38 | 67.5(17.0–466.3) | ||
31–182 | 35 | 65.0(19.0–475.0) | ||
183–365 | 3 | 1187.0(17.0,-) | ||
> 366 | 7 | 1440.0(1088.3,1440.0) | ||
Result of neuroimaging | 1.50 | 0.68 | ||
Unknown | 59 | 47.0(18.0–99.0) | ||
Normal | 104 | 45.0(13.3–243.5) | ||
Responsible focal | 23 | 30.0(18.0–163.0) | ||
Nonspecific abnormalities | 55 | 73.0(18.0–534.0) | ||
Type of epilepsy | 12.44 | 0.00 | ||
Focal epilepsy | 191 | 63.0(19.0–299.0) | ||
Generalized epilepsy | 50 | 30.0(12.5–62.0) |