Table 3.
Injury Characteristics by Subgroup
| Group |
|
||||
|---|---|---|---|---|---|
| Severe TBI (n = 16) | Moderate TBI (n = 41) | Mild TBI (n = 10) | OI (n = 68) | p | |
| Lowest GCS score, mean (SD) | 4.00 (1.90) | 13.46 (2.17) | 13.60 (0.52) | — | <0.001 |
| NISS total, mean (SD) | 12.29 (9.08) | 14.20 (7.26) | 8.8 (6.58) | 6.56 (2.83) | <0.001 |
| NISS non-head-related, mean (SD) | 1.33 (2.23) | 2.18 (3.63) | 2.30 (2.87) | 6.56 (2.83) | <0.001 |
| Neuroimaging abnormalities, n (%)a | |||||
|---|---|---|---|---|---|
| Absent |
7/15 (47%) |
8/40 (20%) |
10/10 (100%) |
68/68 (100%) |
<0.001 |
| Mild |
2/15 (13%) |
8/40 (20%) |
0/10 (0%) |
0/68 (0%) |
|
| Moderate |
1/15 (7%) |
7/40 (18%) |
0/10 (0%) |
0/68 (0%) |
|
| Severe | 5/15 (33%) | 17/40 (43%) | 0/10 (0%) | 0/68 (0%) | |
Imaging results were missing from two participants (one severe TBI, one moderate TBI).
a
Abnormality was absent in the mild TBI and OI groups by definition.
GCS, Glasgow Coma Scale; NISS, New Injury Severity Score; OI, orthopedic injury; SD, standard deviation; TBI, traumatic brain injury.