Table 8 Association between selenium and selenoproteins levels with clinical data of epileptic patients
|  |  | Selenium (µmol/ml) |  | GPx1 (ng/ml) |  | TRxR1 (ng/ml) |  | SEPW1 (ng/ml) |  |
|---|---|---|---|---|---|---|---|---|---|
Clinical Variables | n | Mean±SD | p-value^ | Median (IQR) | p-value$ | Median (IQR) | p-value$ | Median (IQR) | p-value$ |
Duration of Seizers (min) | |||||||||
 ≤ 5minutes | 21 | 37.5 ± 1.9 | 0.864 | 29.8 (22.1–43.5) | 0.197 | 1.3 (1.0–1.4) | 0.455 | 1.8 (1.0–3.1) | 0.982 |
 > 5minutes | 9 | 37.6 ± 2.2 |  | 37.0 (24.8–66.9) |  | 1.2 (1.0–1.3) |  | 1.6 (1.0–2.9) |  |
Total number of attacks | |||||||||
 ≤ 5 | 20 | 37.6 ± 2.1 | 0.832 | 34.4 (26.2–48.6) | 0.033 | 1.2 (1.0–1.3) | 0.538 | 2.1 (1.0–3.2) | 0.379 |
 > 5 | 10 | 37.4 ± 1.8 |  | 23.0 (16.5–35.7) |  | 1.3 (1.0–1.4) |  | 1.7 (1.0–2.3) |  |
Frequency of epileptic episode | |||||||||
 Once a month | 17 | 37.2 ± 1.8 | 0.237 | 37.0 (23.4–56.5) | 0.155 | 1.2 (1.0–1.3) | 0.558 | 1.6 (0.8–2.9) | 0.439 |
 Once a week | 13 | 38.0 ± 2.1 |  | 27.0 (19.9–34.1) |  | 1.3 (1.1–1.4) |  | 1.9 (1.4–3.1) |  |
Frequency of seizures becoming | |||||||||
 Less Frequent | 14 | 37.7 ± 1.5 | 0.696 | 34.4 (25.2–45.8) | 0.442 | 1.3 (1.1–1.4) | 0.454 | 2.5 (1.5–4.1) | 0.051 |
 Frequent Seizures | 16 | 37.4 ± 2.3 |  | 29.3 (18.1–47.1) |  | 1.2 (1.0–1.3) |  | 1.6 (0.7–2.2) |  |
Family history of seizure | |||||||||
 Yes | 10 | 37.7 ± 2.2 | 0.722 | 35.9 (25.4–52.1) | 0.281 | 1.1 (0.8–1.3) | 0.086 | 2.0 (1.1–3.0) | 0.930 |
 No | 20 | 37.5 ± 1.9 |  | 29.8 (21.4–44.3) |  | 1.3 (1.1–1.4) |  | 1.8 (1.0–3.0) |  |
Reason for triggering of seizures | |||||||||
 No Reason | 23 | 37.3 ± 1.8 | 0.303 | 32.6 (22.7–40.2) | 0.327 | 1.2 (1.1–1.3) | 0.590 | 1.9 (0.9–3.0) | 0.713 |
 Stress | 7 | 38.2 ± 2.4 |  | 45.2 (24.1–55.7) |  | 1.3 (0.7–1.4) |  | 1.6 (1.1–2.9) |  |