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Table 1 Characteristics of patients with a first traumatic brain injury-related visit in the emergency department or acute care and matched reference patients

From: Sex-specific analysis of traumatic brain injury events: applying computational and data visualization techniques to inform prevention and management

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
  1. 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)