|
Variables
|
Patients with TBI (n = 58,516)
|
Reference patients (n = 58,516)
|
|---|
|
Female (n = 25,137; 43%)
|
Male (n = 33,379; 57%)
|
Female (n = 25,137; 43%)
|
Male (n = 33,379; 57%)
|
|---|
|
Sociodemographic characteristics
|
|
Age at injury (years)
|
39.41 (26.3)
|
33.84 (24.3)
|
39.41 (26.3)
|
33.85 (24.3)
|
|
Income quintile
| | | | |
|
Q1 (lowest)
|
4868 (19)
|
6597 (20)
|
4868 (19)
|
6597 (20)
|
|
Q2
|
4895 (19)
|
6645 (20)
|
4895 (19)
|
6645 (20)
|
|
Q3
|
4956 (20)
|
6538 (20)
|
4956 (20)
|
6538 (20)
|
|
Q4
|
5269 (21)
|
6913 (21)
|
5269 (21)
|
6913 (21)
|
|
Q5 (highest)
|
5149 (20)
|
6686 (20)
|
5149 (20)
|
6686 (20)
|
|
Rurality (yes)
|
3842 (15)
|
5242 (16)
|
3842 (15)
|
5242 (16)
|
|
TBI-related characteristics
|
|
TBI main diagnosis
|
22,163 (88)
|
29,542 (89)
|
NA
|
NA
|
|
Injury severity
| | | | |
|
Unspecified
|
12,075 (48)
|
12,961 (39)
|
NA
|
NA
|
|
Mild
|
8260 (33)
|
12,201 (37)
|
NA
|
NA
|
|
Moderate
|
682 (3)
|
1484 (4)
|
NA
|
NA
|
|
Severe
|
4120 (16)
|
6733 (20)
|
NA
|
NA
|
|
Type of first healthcare entry
|
|
Emergency Department
|
21,284 (85)
|
26,858 (80)
|
NA
|
NA
|
|
Acute Care
|
1606 (6)
|
2541 (8)
|
NA
|
NA
|
|
Emergency & Acutea
|
2247 (9)
|
3980 (12)
|
NA
|
NA
|
|
External causes of injury, by CDCb
|
|
Sports injury
|
4668 (19)
|
9804 (29)
|
NA
|
NA
|
|
Assault
|
928 (4)
|
3431 (10)
|
NA
|
NA
|
|
Falls
|
13,080 (52)
|
13,400 (40)
|
NA
|
NA
|
|
Motor vehicle collisions
|
2587 (10)
|
3221 (10)
|
NA
|
NA
|
|
Struck by/against
|
7475 (30)
|
13,370 (40)
|
NA
|
NA
|
|
Other
|
2519 (10)
|
4272 (13)
|
NA
|
NA
|
|
Missing
|
44 (0)
|
122 (0)
|
NA
|
NA
|
- Abbreviations: Q Quantile, NA Not applicable, TBI Traumatic brain injury, SD Standard deviation. Data presented as n (%) or mean (standard deviation). aA patient had a transfer to either location on the same day. bA patient may have several designations (i.e., sports injury and struct by/against an object)
