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The Characteristics of the Study Centers by Group
| Characteristic | Alternative system | Alternative system without central monitoring | Conventional structured interview |
|---|---|---|---|
| Participation rate | 67% (10/15) | 73% (11/15) | 73% (11/15) |
| Rater's past experience in TBI trials (n) | 7 (7/10) | 6 (6/11) | 6 (6/11) |
| Rater's occupation status (n) | |||
| Physician | 3 | 2 | 3 |
| Neuropsychologist | 2 | ||
| Nurse | 6 | 6 | 7 |
| Other | 1 | 1 | 1 |
