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Table 2 Characteristics of male and female patients with TBI by injury severity

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

VARIABLES FEMALES, by injury severity (25,137, %) MALES, by injury severity (33,379, %)
Unspecified (12,075, 48.0) Mild (8260, 32.9) Moderate (682, 2.7) Severe (4120, 16.4) Unspecified (12,961, 38.8) Mild (12,201, 36.6) Moderate (1484, 4.5) Severe (6733, 20.2)
Sociodemographic characteristics [H = host; E = Environment]
Age at first TBI, years old H
 Mean (SD) 33.51 (22.3) 33.1 (22.9) 55.5 (25.7) 66.7 (25.0) 27.8 (20.3) 26.8 (19.5) 40.7 (21.6) 56.7 (25.4)
Median (Q1-Q3) 27 (16–49) 25 (15–49) 60 (33–78) 76 (55–85) 20 (13–40) 19 (13–37) 36 (23–56) 62 (36–79)
 Income quantile
Q1 (lowest)H
2255 (18.7) 1567 (19.0) 137 (20.1) 909 (22.1) 2409 (18.6) 2307 (18.9) 389 (26.2) 1492 (22.2)
 Q2 2334 (19.3) 1568 (19.0) 153 (22.4) 840 (20.4) 2473 (19.1) 2396 (19.6) 300 (20.2) 1476 (21.9)
 Q3 2399 (19.9) 1616 (19.6) 126 (18.5) 815 (19.8) 2572 (19.8) 2360 (19.3) 256 (17.3) 1350 (20.1)
 Q4 2645 (21.9) 1725 (20.9) 133 (19.5) 766 (18.6) 2784 (21.5) 2596 (21.3) 272 (18.3) 1261 (18.7)
 Q5 (highest) 2442 (20.2) 1784 (21.6) 133 (19.5) 790 (19.2) 2723 (21.0) 2542 (20.8) 267 (18.0) 1154 (17.1)
 Rurality (yes)E 2000 (16.6) 1269 (15.4) 78 (11.4) 495 (12.0) 2213 (17.1) 1924 (15.8) 192 (12.9) 913 (13.6)
Factors [A = agent &vector; H = host; E = Environment]
 1. MultitraumaH/A 178 (1.5) 134 (1.6) 66 (9.7) 504 (12.2) 274 (2.1) 282 (2.3) 141 (9.5) 956 (14.2)
 2. Heart & Metabolic DisordersH 577 (4.8) 374 (4.5) 112 (16.4) 1660 (40.3) 525 (4.1) 365 (3.00) 143 (9.6) 2339 (34.7)
 3. Alzheimer’s & DementiaH 17 (0.1) 14 (0.2) NA (NA) 115 (2.8) 13 (0.1) NA (NA) NA (NA) 93 (1.4)
 4. Endocrine, Metabolic & Elderly EmergenciesH 497 (4.1) 324 (3.9) 135 (19.8) 1791 (43.5) 480 (3.7) 347 (2.8) 154 (10.4) 2610 (38.8)
 5. Complications & Resp EmergenciesE 28 (0.2) 15 (0.2) NA (NA) 118 (2.9) 39 (0.3) 29 (0.2) 21 (1.4) 385 (5.7)
 6. Elderly Disorders, Neoplasms & FallsH/A 1580 (13.1) 985 (11.9) 200 (29.3) 2302 (55.9) 1291 (10.0) 1032 (8.5) 241 (16.2) 3162 (47.0)
 7. Stroke & Brain Emerg SequelaeH 62 (0.5) 25 (0.3) 15 (2.2) 265 (6.4) 45 (0.4) 39 (0.3) 23 (1.6) 455 (6.8)
 8. Renal DysfunctionH 46 (0.4) 31 (0.4) 8 (1.2) 209 (5.1) 62 (0.5) 45 (0.4) 24 (1.6) 420 (6.2)
 9. Resp Emerg, SepticemiaE 48 (0.4) 27 (0.3) 10 (1.5) 189 (4.6) 60 (0.5) 33 (0.3) 30 (2.0) 447 (6.6)
 10. CoagulopathiesH 50 (0.4) 39 (0.5) 15 (2.2) 268 (6.5) 50 (0.4) 29 (0.2) 10 (0.7) 365 (5.4)
 11. Liver DisordersH 8 (0.1) NA (NA) NA (NA) 35 (0.9) 26 (0.2) 21 (0.2) NA (NA) 95 (1.4)
 12. Resp Infections & ABX ResistanceE 64 (0.5) 63 (0.8) 24 (3.5) 369 (9.0) 68 (0.5) 38 (0.3) 26 (1.8) 495 (7.4)
 13. Airway ObstructionE 113 (0.9) 59 (0.7) 25 (3.7) 572 (13.9) 126 (1.0) 78 (0.6) 46 (3.1) 937 (13.9)
 14. Parkinson’s & DementiaH 14 (0.1) 9 (0.1) NA (NA) 52 (1.3) 20 (0.2) 10 (0.1) NA (NA) 104 (1.5)
 15. Abuse & Sexual AssaultE 54 (0.5) 45 (0.5) 11 (1.6) 20 (0.5) 16 (0.1) 23 (0.2) NA (NA) 22 (0.3)
 16. Falls & SyncopeHA 3260 (27.0) 2180 (26.4) 280 (41.1) 2339 (56.8) 2317 (17.9) 1981 (16.2) 267 (18.0) 2892 (43.0)
 17. Diabetic EmergenciesH 435 (3.6) 296 (3.6) 56 (8.2) 691 (16.8) 416 (3.2) 309 (2.5) 74 (5.0) 1202 (17.9)
 18. Car CollisionA 1180 (9.8) 706 (8.6) 76 (11.1) 344 (8.4) 932 (7.2) 760 (6.2) 95 (6.4) 630 (9.4)
 19. Brain & Other HemorrhagesH 148 (1.2) 96 (1.2) 50 (7.3) 864 (21.0) 159 (1.2) 129 (1.1) 74 (5.0) 1367 (20.3)
 20. Seizures & Drug AdversitiesH/E 114 (0.9) 55 (0.7) 13 (1.9) 269 (6.5) 142 (1.1) 115 (0.9) 31 (2.1) 545 (8.1)
 21. AssaultA NA (NA) 8 (0.1) NA (NA) 16 (0.4) 25 (0.2) 36 (0.3) 11 (0.7) 75 (1.1)
 22. Motorcycle CollisionA 218 (1.8) 152 (1.8) 40 (5.9) 234 (5.7) 414 (3.2) 437 (3.6) 90 (6.1) 548 (8.1)
 23. Alcohol & Drugs MisuseH 152 (1.3) 106 (1.3) 18 (2.6) 192 (4.7) 290 (2.2) 325 (2.7) 126 (8.5) 751 (11.2)
 24. Multiple Systems CollapseH 26 (0.2) 8 (0.1) 10 (1.5) 127 (3.1) 42 (0.3) 19 (0.2) 28 (1.9) 369 (5.5)
 25. Intracranial Pathology, ConvalescenceH/E 90 (0.8) 66 (0.8) 34 (5.0) 561 (13.6) 103 (0.8) 101 (0.8) 56 (3.8) 914 (13.6)
 26. Assault & Alcohol DisordersH/A 586 (4.9) 456 (5.5) 88 (12.9) 271 (6.6) 1256 (9.7) 1703 (14.0) 628 (42.3) 1163 (17.3)
 27. Aplastic Anemias & HemorrhagesH 45 (0.4) 33 (0.4) 10 (1.5) 188 (4.6) 37 (0.3) 43 (0.4) 27 (1.8) 276 (4.1)
 28. Risky Behaviors, Drug Disorders & Social Disparities H/E 199 (1.7) 128 (1.6) 26 (3.8) 229 (5.6) 385 (3.0) 421 (3.5) 150 (10.1) 879 (13.1)
 29. Superficial InjuriesH/A 432 (3.6) 277 (3.4) 16 (2.4) 123 (3.0) 425 (3.3) 319 (2.6) 40 (2.7) 181 (2.7)
 30. Pedal cycle InjuriesA 305 (2.5) 255 (3.1) 27 (4.0) 76 (1.8) 569 (4.4) 656 (5.4) 76 (5.1) 328 (4.9)
 31. Heavy Transport InjuriesA 693 (5.7) 419 (5.1) 46 (6.7) 189 (4.6) 546 (4.2) 432 (3.5) 53 (3.6) 283 (4.2)
 32. Pedestrian Injuries, Car CollisionA 117 (1.0) 102 (1.2) 26 (3.8) 207 (5.0) 128 (1.0) 108 (0.9) 42 (2.8) 252 (3.7)
 33. Falls from ElevationA 297 (2.5) 186 (2.3) 22 (3.2) 125 (3.0) 471 (3.6) 467 (3.8) 66 (4.5) 513 (7.6)
 34. Headache, Blurred Vision & Object StrikesH/A 3020 (25.0) 1787 (21.6) 57 (8.4) 314 (7.6) 3208 (24.8) 2459 (20.2) 175 (11.8) 584 (8.7)
  1. Abbreviations: ABX Antibiotic, A Agent, E Environment, H Host. NA Not available; frequencies of less than 6 hidden to protect confidentiality