Table 3.
Baseline descriptors of enrolled and non-enrolled individuals with suspected TBI.
| Characteristic* | Suspected TBI Consented (n = 300) | Suspected TBI Eligible, Not Consented (n = 493) | P Value |
|---|---|---|---|
| Enrollment Location | 0.872 | ||
| Johns Hopkins Hospital | 177 (59.0) | 288 (58.4) | |
| Johns Hopkins Bayview | 123 (41.0) | 205 (41.6) | |
| Median Age in Years (IQR) | 48 (28–64) | 45 (30–60) | 0.606 |
| Sex | 0.631 | ||
| Male | 175 (58.3) | 279 (56.6) | |
| Female | 125 (41.7) | 214 (43.3) | |
| Race | 0.297 | ||
| Non-Hispanic, white | 166 (55.3) | 225 (45.6) | |
| Hispanic, white | 1 (0.3) | 5 (1.0) | |
| Non-Hispanic, black | 118 (39.3) | 219 (44.4) | |
| Hispanic, black | 1 (0.3) | 1 (0.2) | |
| Asian | 3 (1.0) | 6 (1.2) | |
| Other | 11 (3.8) | 16 (3.2) | |
| Marital Status | 0.006 | ||
| Never Married | 139 (46.3) | 268 (54.4) | |
| Married /Domestic Partnership | 92 (30.7) | 104 (21.1) | |
| Other1 | 69 (23.0) | 72 (14.6) | |
| Mode of Arrival to Emergency Department | 0.052 | ||
| Self Transport | 47 (15.7) | 106 (21.5) | |
| Ambulance | 245 (81.7) | 382 (77.5) | |
| Transfer from Other Facility | 8 (2.6) | 4 (0.8) | |
| Mode of Injury | 0.217 | ||
| Pedestrian Struck | 29 (9.7) | 21 (4.3) | |
| MVC2 | 86 (28.7) | 135 (27.6) | |
| Fall | 123 (41.0) | 214 (43.8) | |
| Assault | 45 (15.0) | 91 (18.6) | |
| Struck By /Against | 12 (4.0) | 13 (2.7) | |
| Pedal Bike | 5 (1.6) | 6 (1.2) | |
| Exercise /Sport /Work-related | 0 | 2 (0.4) | |
| Other | 0 | 7 (1.4) | |
| Intoxicated on Drugs /Alcohol | 0.002 | ||
| Yes | 54 (18.0) | 125 (25.9) | |
| No | 244 (81.3) | 342 (71.0) | |
| Unsure | 2 (0.7) | 15 (3.1) |
1.
Other includes divorced, separated, or widowed status
2.
MVC = motor vehicle collision, including motorcycle
*
characteristics are number (%) unless listed otherwise