Table 2.
Demographic and clinical parameters
| SUDEP cases (n = 12) | At high risk (n = 34) | At low risk (n = 19) | Controls (n = 15) | df | X2 | P | |
|---|---|---|---|---|---|---|---|
| Age at scan (years) Median (IQR) | 33.5 (21.5) | 30.5 (12) | 30.0 (7.5) | 37 (16) | 3 | 2.85 | 0.241 |
| Age at onset (years) Median (IQR) | 16.5 (10) | 13.5 (7) | 14 (6) | N/A | 2 | 6.21 | 0.045 |
| Epilepsy duration (years) Median (IQR) | 11.5 (24.3) | 17 (11.25) | 15 (15) | N/A | 2 | 5.74 | 0.057 |
| Gender, male | 8 | 19 | 12 | 7 | 3 | 1.42 | 0.722* |
| >3 CSs/year | 8 | 24 | 0 | N/A | 2 | 26.09 | 0.000* |
| Nocturnal seizures | 8 | 27 | 0 | N/A | 2 | 31.9 | 0.000* |
| Polytherapy | 4 | 14 | 4 | N/A | 2 | 2.21 | 0.347* |
Pearson’s chi-square was used for dichotomous variables. As some cells had an expected count < 5, an exact significance test was selected. Kruskal-Wallis test was used for all other variables. CS = convulsive seizure.
P < 0.05; asterisk indicates exact P.