Table 1.
Patient characteristics in the 50% development sample of hospital discharges with a primary or secondary injury diagnosis
| British Columbia | US Nationwide Inpatient Sample | |||
|---|---|---|---|---|
| N (%) | Patients with intentional self- harm E-code – N (row %) | N (%) | Patients with intentional self- harm E-code – N (row %) | |
| Total N | 88,808 | 6,127 (6.9) | 122,574 | 9,345 (7.6) |
| Age | ||||
| 10–25 | 11,887 (13.4) | 1,643 (13.8) | 16,375 (13.4) | 2,599 (15.8) |
| 25–64 | 41,160 (46.4) | 4,187 (10.2) | 52,112 (42.5) | 6,369 (12.2) |
| 65+ | 35,761 (40.3) | 297 (0.8) | 54,094 (44.1) | 377 (0.7) |
| Sex | ||||
| Male | 45,458 (50.9) | 2,307 (5.1) | 58,626 (47.8) | 3,781 (6.5) |
| Female | 43,650 (49.2) | 3,820 (8.8) | 63,955 (52.2) | 5,564 (8.7) |
| Geographic region | ||||
| Northeast US | 0 (0%) | N/A | 46,330 (37.8) | 3,313 (7.2) |
| South US | 0 (0%) | N/A | 30,211 (24.7) | 2,492 (8.3) |
| Midwest US | 0 (0%) | N/A | 11,067 (9.0) | 1,030 (9.3) |
| Western US | 0 (0%) | N/A | 34,973 (28.5) | 2,510 (7.2) |
| BC | (100%) | 0 (0) | N/A | |
| Length of stay – median | 4.0 | N/A | 3.0 | N/A |
| In-hospital death | 965 (1.1) | 30 (3.1) | 3,243 (2.7) | 135 (4.2) |
| Race | ||||
| White | Unknown | N/A | 80,540 (75.9) | 6,055 (7.5) |
| Black | Unknown | N/A | 11,353 (10.7) | 869 (7.7) |
| Other | Unknown | N/A | 14,278 (13.4) | 1,140 (8.0) |
| Type of injury | ||||
| Fracture | 30,179 (34) | 195 (0.6) | 63,030 (51.4) | 181 (0.3) |
| Open wound to wrist, elbow, or forearm | 1,342 (1.5) | 93 (6.9) | 2,607 (2.1) | 784 (30.1) |
| Open wound to upper extremity | 5,309 (6.0) | 298 (5.6) | 3,568 (2.9) | 131 (3.7) |
| Open wound to lower extremity or injury to blood vessels | 7,488 (8.4) | 170 (2.3) | 15,797 (12.9) | 397 (2.5) |
| Intracranial injury, internal injury, injury to nerves and spinal cord | 756 (0.9) | 28 (3.7) | 19,964 (16.3) | 257 (1.3) |
| Burns | 2,946 (3.3) | 2,348 (79.7) | 2,027 (1.7) | 77 (3.8) |
| Poisoning by psychotropic agent | 5,230 (5.9) | 3,273 (62.6) | 5,540 (4.5) | 3,721 (67.2) |
| Poisoning by other drugs | 1,021 (1.1) | 566 (55.4) | 10,102 (8.2) | 5,053 (50.0) |
| Toxic effects of non-medicinal substances | 1,065 (1.2) | 464 (43.6) | 2,367 (1.9) | 861 (36.4) |
| Asphyxiation | 84 (0.1) | 71 (84.5) | 70 (0.1) | 55 (78.6) |
| Other injuries | 40,842 (46) | 374 (0.9) | 110,754 (90.4) | 9,125 (8.2) |
| Presence of mental health diagnoses | ||||
| Psychiatric procedure | 210 (0.2) | 95 (45.2) | 1,497 (1.2) | 449 (30.0) |
| Depression | 3,685 (4.1) | 1,861 (50.5) | 14,985 (12.2) | 5,710 (38.1) |
| Anxiety | 564 (0.6) | 169 (30) | 2,977 (2.4) | 506 (17.0) |
| Mania | 2,067 (2.3) | 1,192 (57.7) | 3,069 (2.5) | 1,418 (46.2) |
| Sleep disorder | 116 (0.1) | * | 1,448 (1.2) | 115 (7.9) |
| Attention Deficit Hyperactivity Disorder | 197 (0.2) | 88 (44.7) | 723 (0.6) | 293 (40.5) |
| Substance Abuse | 7,103 (8.0) | 1,883 (26.5) | 16,841 (13.7) | 3,822 (22.7) |
| Psychotic Disorder | 2,307 (2.6) | 361 (15.6) | 3,011 (2.5) | 677 (22.5) |
| Dementia | 3,213 (3.6) | 38 (1.2) | 10,474 (8.5) | 57 (0.5) |
| Delirium | 2,033 (2.3) | 77 (3.8) | 2,936 (2.4) | 301 (10.3) |
| Personality Disorder | 1,688 (1.9) | 1,131 (67) | 1,298 (1.1) | 853 (65.7) |
| Adjustment reaction, non-depressed | 607 (0.7) | 404 (66.6) | 1,115 (0.9) | 630 (56.5) |
| Unspecified nonpsychotic mental disorder | 598 (0.7) | 467 (78.1) | 825 (0.7) | 603 (73.1) |
| Other mental disorder | 1,112 (1.3) | 379 (34.1) | 1,374 (1.1) | 339 (24.7) |
| Presence of chronic conditions | ||||
| Cancer | 6,968 (7.8) | 66 (0.9) | 4,448 (3.6) | 96 (2.2) |
| HIV | 118 (0.1) | 16 (13.6) | 595 (0.5) | 110 (18.5) |
*
cell sizes less than 12 are not reported