Table 2. Demographics, status epilepticus characteristics, and time to treatment among the four involved centers.
| CHUV | BWH | MGH | BIDMC | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
|
|
|
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| n, % | 91 | 51.41 | 52 | 29.4 | 14 | 14.12 | 9 | 5.1 | p-Value | Test | |
| Demographics and SE characteristics | |||||||||||
| Age | Mean, SD | 57.9 | 22.5 | 50.1 | 14.6 | 62.7 | 15.9 | 64.8 | 14 | 0.03 | ANOVA |
| Male gender | n, % | 51 | 56.04 | 20 | 38.5 | 14 | 56 | 6 | 66.7 | 0.15 | χ2 |
| STESS | Mean, SD | 2.79 | 1.57 | 2.11 | 1.55 | 2.84 | 1.59 | 2.77 | 2.2 | 0.1 | ANOVA |
| Potentially fatal etiology | n, % | 37 | 40.6 | 21 | 40.38 | 16 | 64 | 3 | 33.4 | 0.16 | χ2 |
| Started prehospital | n, % | 70.3 | 80.22 | 39 | 75 | 19 | 76 | 7 | 77.8 | 0.89 | χ2 |
| Worst seizure type | n, % | ||||||||||
| Absence | 1 | 1.1 | 0 | 0 | 0 | 0 | 0 | 0 | |||
| Myoclonic | 1 | 1.1 | 0 | 0 | 0 | 0 | 0 | 0 | |||
| Focal without consc. impairment | 9 | 9.9 | 7 | 13.5 | 2 | 8 | 0 | 0 | |||
| Focal with consc. impairment | 26 | 28.6 | 10 | 19.2 | 10 | 40 | 3 | 33.3 | |||
| Generalized convulsive | 52 | 57.14 | 31 | 59.52 | 12 | 48 | 4 | 44.4 | |||
| Nonconvulsive in coma | 2 | 2.2 | 4 | 7.7 | 1 | 4 | 2 | 22.2 | 0.49 | χ2 | |
| Treatment characteristics | |||||||||||
| Time to treatment (min) | Median, range | 90 | 5–4,320 | 50 | 5–7,200 | 55 | 5–2,340 | 75 | 5–2,820 | 0.45 | Kruskal-Wallis |
BIDMC, Beth Israel Deaconess Medical Center; BWH, Brigham and Women's Hospital; CHUV, Centre Hospitalier Universitaire Vaudois; consc, consciousness; MGH, Massachusetts General Hospital; min, minutes; SD, standard deviation; STESS, STatus Epilepticus Severity Score.
In Bold: statistically significant.