Table 1.
Demographic information and injury characteristics for traumatic brain and orthopedic injury groups
| Group | |||
|---|---|---|---|
| Traumatic Brain Injury | Orthopedic Injury | ||
| Demographic Variables | (n = 44) | (n = 43) | Statistic (p) |
| Months of age at injury M (SD) | 131.3 (34.4) | 124.2 (35.3) | t(85) = −0.95 (0.344) |
| Sex % male | 72.7 | 60.5 | Χ2(1, N = 87) = 1.47 (0.225) |
| Ethnicity/Race (n) | Χ2(3, N = 87) = 1.70 (0.736) | ||
| African‐American | 7 | 10 | |
| Hispanic | 13 | 14 | |
| Other/multiethnic | 4 | 4 | |
| Caucasian | 20 | 15 | |
| Maternal education (n) | X2(3, N = 87) = 3.03 (0.387) | ||
| <High school | 11 | 5 | |
| HS graduate | 11 | 13 | |
| Partial college | 12 | 16 | |
| College or graduate degree | 10 | 9 | |
| Injury characteristics | |||
| External cause of injury (n) | Χ2(4, N = 87) = 24.80 (0.000) | ||
| Fall | 8 | 17 | |
| Motor vehicle collision | 24 | 5 | |
| Vehicle‐pedestrian | 9 | 8 | |
| Sports/recreational | 2 | 13 | |
| Other | 1 | 0 | |
| Injury‐scan interval (m) M (SD) | |||
| Initial | 3.14 (1.42) | 3.24 (2.53) | t(83) = 0.067 (0.947) |
| Follow‐up | 24.83 (2.86) | 23.0 (4.97) | t(75) = −2.06 (0.042) |
| Injury Severity Score M (SD) | 22.52 (10.48) | 8.40 (1.76) | t(85) = −10.19 (0.000) |
| Modified Injury Severity Score M (SD) | 7.14 (8.89) | 8.40 (1.76) | t(85) = 0.91 (0.365) |
| Glasgow Coma Scale score (n) | |||
| 3–8 | 31 | – | |
| 9–12 | 10 | – | |
| 13–15 | 3 | – | |