TABLE 4.
Novel psychiatric disorder present at the 24-year follow-up among participants with traumatic brain injury (TBI), stratified by injury severity and preinjury psychiatric disorder statusa
| Severe TBI (N=12) | Moderate TBI (N=4) | Complicated mild TBI (N=5) | Uncomplicated mild TBI (N=24) | |||||
|---|---|---|---|---|---|---|---|---|
| Disorder | N | % | N | % | N | % | N | % |
| No lifetime psychiatric disorder preinjury | 5/6 | 83.3 | 0/3 | 0 | 1/2 | 50.0 | 2/11 | 18.2 |
| Lifetime psychiatric disorder preinjury | 5/6 | 83.3 | 1/1 | 100 | 3/3 | 100 | 7/13 | 53.9 |
a
Lifetime psychiatric disorders are those detected at baseline assessment (i.e., with onset prior to TBI and regardless of whether the disorder had remitted prior to the injury or persisted up to the time of injury).