Table 2.
Characteristics of patients with traumatic brain injury who underwent brain computed tomography in the emergency departments by age group
| 0–4 yr | 5–9 yr | 10–19 yr | 20–29 yr | 30–39 yr | 40–49 yr | 50–59 yr | 60–69 yr | ≥ 70 yr | Total | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Age, number (%) | 1,005 (6.5) | 560 (3.6) | 1,514 (9.7) | 1,928 (12.4) | 1,895 (12.2) | 2,320 (14.9) | 2,568 (16.5) | 1,717 (11) | 2,060 (13.2) | 15,567 (100) | |
| Males | 580 (57.7) | 371 (66.3) | 1,181 (78) | 1,295 (67.2) | 1,284 (67.8) | 1,523 (65.6) | 1,626 (63.3) | 1,045 (60.9) | 939 (45.6) | 9,844 (63.2) | |
| GCS score | |||||||||||
| Severe (3–8) | 5 (0.5) | 1 (0.2) | 40 (2.6) | 89 (4.6) | 67 (3.5) | 92 (4) | 105 (4.1) | 61 (3.6) | 81 (3.9) | 541 (3.5) | |
| Moderate (9–12) | 1 (0.1) | 3 (0.5) | 36 (2.4) | 42 (2.2) | 44 (2.3) | 94 (4.1) | 109 (4.2) | 77 (4.5) | 123 (6) | 529 (3.4) | |
| Mild (13–15) | 999 (99.4) | 556 (99.3) | 1,438 (95) | 1,797 (93.2) | 1,784 (94.1) | 2,134 (92) | 2,354 (91.7) | 1,579 (92) | 1,856 (90.1) | 14,497 (93.1) | |
| Operation | 3 (0.3) | 18 (3.2) | 168 (11.1) | 254 (13.2) | 236 (12.5) | 322 (13.9) | 367 (14.3) | 238 (13.9) | 254 (12.3) | 1,860 (11.9) | |
| Mode of arrival | |||||||||||
| Public EMS | 160 (15.9) | 127 (22.7) | 701 (46.3) | 1027 (53.3) | 1,003 (52.9) | 1,396 (60.2) | 1,590 (61.9) | 1,050 (61.2) | 1,327 (64.4) | 8,381 (53.8) | |
| Private transportation (car) | 838 (83.4) | 428 (76.4) | 770 (50.9) | 852 (44.2) | 837 (44.2) | 846 (36.5) | 873 (34) | 573 (33.4) | 614 (29.8) | 6,631 (42.6) | |
| Private ambulance service | 2 (0.2) | 1 (0.2) | 21 (1.4) | 30 (1.6) | 30 (1.6) | 40 (1.7) | 77 (3) | 66 (3.8) | 94 (4.6) | 361 (2.3) | |
| Other hospital ambulances | 0 (0) | 1 (0.2) | 11 (0.7) | 4 (0.2) | 6 (0.3) | 15 (0.6) | 12 (0.5) | 11 (0.6) | 12 (0.6) | 72 (0.5) | |
| Public transportation (e.g., police car) | 0 (0) | 2 (0.4) | 8 (0.5) | 12 (0.6) | 13 (0.7) | 12 (0.5) | 8 (0.3) | 3 (0.2) | 2 (0.1) | 60 (0.4) | |
| Walk-in | 5 (0.5) | 1 (0.2) | 1 (0.1) | 0 (0) | 1 (0.1) | 3 (0.1) | 2 (0.1) | 0 (0) | 4 (0.2) | 17 (0.1) | |
| Aeromedical transport | 0 (0) | 0 (0) | 0 (0) | 1 (0.1) | 1 (0.1) | 1 (0) | 3 (0.1) | 6 (0.3) | 2 (0.1) | 14 (0.1) | |
| Others | 0 (0) | 0 (0) | 2 (0.1) | 2 (0.1) | 4 (0.2) | 7 (0.3) | 3 (0.1) | 8 (0.5) | 5 (0.2) | 31 (0.2) | |
| Mechanism of injury | |||||||||||
| Blunt trauma | 563 (56) | 288 (51.4) | 682 (45) | 723 (37.5) | 819 (43.2) | 968 (41.7) | 1,010 (39.3) | 674 (39.3) | 886 (43) | 6,613 (42.5) | |
| Car accident | 71 (7.1) | 94 (16.8) | 197 (13) | 521 (27) | 548 (28.9) | 586 (25.3) | 657 (25.6) | 412 (24) | 377 (18.3) | 3,463 (22.2) | |
| Same level falling | 123 (12.2) | 55 (9.8) | 152 (10) | 167 (8.7) | 172 (9.1) | 254 (10.9) | 345 (13.4) | 281 (16.4) | 478 (23.2) | 2,027 (13) | |
| Falling | 213 (21.2) | 53 (9.5) | 46 (3) | 72 (3.7) | 61 (3.2) | 161 (6.9) | 195 (7.6) | 113 (6.6) | 106 (5.1) | 1,020 (6.6) | |
| Motorbike rider | 6 (0.6) | 3 (0.5) | 239 (15.8) | 245 (12.7) | 148 (7.8) | 125 (5.4) | 99 (3.9) | 69 (4) | 50 (2.4) | 984 (6.3) | |
| Bicycle and non-motor transportation | 5 (0.5) | 47 (8.4) | 152 (10) | 100 (5.2) | 54 (2.8) | 72 (3.1) | 114 (4.4) | 84 (4.9) | 85 (4.1) | 713 (4.6) | |
| Others | 24 (2.4) | 20 (3.6) | 46 (3) | 100 (5.2) | 93 (4.9) | 154 (6.6) | 148 (5.8) | 84 (4.9) | 78 (3.8) | 747 (4.8) | |
| Disposition | |||||||||||
| Discharge | 927 (92.2) | 497 (88.8) | 1,144 (75.6) | 1,411 (73.2) | 1,384 (73) | 1,596 (68.8) | 1,676 (65.3) | 1,104 (64.3) | 1,252 (60.8) | 10,991 (70.6) | |
| Admission | 70 (7) | 55 (9.8) | 262 (17.3) | 364 (18.9) | 343 (18.1) | 476 (20.5) | 597 (23.2) | 420 (24.5) | 597 (29) | 3,184 (20.5) | |
| Transferred out | 6 (0.6) | 7 (1.3) | 103 (6.8) | 148 (7.7) | 153 (8.1) | 226 (9.7) | 273 (10.6) | 184 (10.7) | 200 (9.7) | 1,300 (8.4) | |
| Death | 2 (0.2) | 0 (0) | 2 (0.1) | 1 (0.1) | 3 (0.2) | 2 (0.1) | 1 (0) | 4 (0.2) | 9 (0.4) | 24 (0.2) | |
| Others | 0 (0) | 1 (0.2) | 3 (0.2) | 4 (0.2) | 12 (0.6) | 20 (0.9) | 21 (0.8) | 5 (0.3) | 2 (0.1) | 68 (0.4) | |
Values are presented as number (%).
GCS, Glasgow Coma Scale; EMS, emergency medical services.