IES-R scores
| Variable | All (n=50) | Group 1 (n=15) | Group 2 (n=35) | P value |
| IES-R1, mean (SD) | 42 (16) | 44 (20) | 41 (14) | 0.47* |
| Score ≥33 | 11 (73%) | 27 (77%) | ||
| 12≤ Score < 33 | 4 (27%) | 8 (23%) | ||
| IES-R2, mean (SD) | 32 (13) | 26 (13) | 35 (14) | 0.02* |
| Score ≥33 | 4 (27%) | 23 (66%) | ||
| 12≤ Score < 33 | 8 (53%) | 10 (28%) | ||
| Score <12 | 3 (20%) | 2 (6%) | ||
| Duration from seizure to IES-R1, mean in days (SD) | 54 (20) | 57 (17) | 53 (21) | 0.18* |
| Duration from IES-R1 to IES-R2, mean in days (SD) | 69 (38) | 80 (38) | 64 (37) | 0.18* |
| Duration from seizure to IES-R2, mean in days (SD) | 123 (50) | 136 (50) | 117 (50) | 0.10* |
IES-R1 was assessed 4 weeks after the seizure (before any workshop if applicable), and IESR-2 was assessed at a minimum of 10 weeks after the seizure (after any workshop if applicable).
*Based on Mann-Whitney test.
IES-R, Impact Event Scale-Revised.