Table-1.
Characteristics of 73 CIREN occupants with thoracolumbar vertebral body fractures involved in frontal impacts.
| Restraint Status | Belted | 66 |
| Not Belted | 7 | |
| Gender | Males | 33 |
| Females | 40 | |
| Object Struck | Fixed hard object | 10 |
| Ground | 4 | |
| SUV/Van | 9 | |
| Tree/pole | 30 | |
| Pass. car / mini-Van | 13 | |
| Tractor-trailer/truck | 7 | |
| Over/Under-Ride | Present | 7 |
| Not Present | 66 | |
| Longitudinal Rails Engaged | 0-Rails | 25 |
| 1-Rail | 37 | |
| 2-Rails | 11 | |
| Seat type | Bucket Seat | 64 |
| Non-bucket seat | 9 | |
| Crash Type | Planar | 48 |
| Compatibility Issue | 12 | |
| Non-horizontal | 10 | |
| Oblique | 3 | |
| Impact Location | Off Road | 38 |
| On Road | 35 | |
| Vehicle Model Year | 1990–94 | 4 |
| 1995–99 | 13 | |
| 2000–04 | 35 | |
| 2005–10 | 20 |