Table 1.
Description of the study population
| Variable | N | SR (%) | DR (%) | |
|---|---|---|---|---|
| Age | <65 | 11,006 | 70.2 | 73.8 |
| 65–74 | 1,666 | 10.7 | 11.1 | |
| 75–84 | 1,671 | 12.1 | 10.3 | |
| ≥85 | 857 | 7.0 | 4.8 | |
| AIS worst injury | 1/2 | 3,478 | 21.2 | 25.6 |
| 3 | 6,279 | 36.7 | 48.7 | |
| 4 | 2,554 | 17.1 | 16.3 | |
| 5/6 | 2,889 | 25.0 | 9.4 | |
| Injury mechanism | Motor vehicle collision | 6,519 | 52.3 | 37.1 |
| Fall | 6,490 | 38.4 | 45.4 | |
| Firearm / stab | 73 | 0.6 | 0.40 | |
| Blunt | 1,356 | 6.2 | 10.6 | |
| Other | 762 | 2.7 | 6.5 |
SR: same region second injury; DR: different region second injury; AIS: Abbreviated Injury Scale, MVC: motor vehicle collision