Sociodemographic and injury-related data of patients admitted to the Puerto Rico Trauma Hospital by mental disorder status
| Characteristic | Total cohort (n=23 500) n (%) | Mental disorder (n=2544) n (%) | No mental disorder (n=20 956) n (%) | P value |
| Sociodemographic data | ||||
| Sex | ||||
| Male | 19 598 (83.4) | 2242 (88.1) | 17 356 (82.9) | <0.001 |
| Age, years | ||||
| Mean (SD) | 40.8 (18.1) | 44.5 (16.3) | 40.3 (18.3) | |
| Median (IQR) | 36 (28) | 43 (23) | 35 (28) | <0.001 |
| Categories | ||||
| 18–35 | 11 404 (48.5) | 865 (34.0) | 10 539 (50.3) | <0.001 |
| 36–50 | 5331 (22.7) | 802 (31.5) | 4529 (21.6) | |
| 51–65 | 3912 (16.7) | 584 (23.0) | 3328 (15.9) | |
| >65 | 2853 (12.1) | 293 (11.5) | 2560 (12.2) | |
| Health insurance status | ||||
| Private insurance | 14 138 (61.1) | 1433 (57.3) | 12 705 (61.6) | <0.001 |
| Public insurance | 6351 (27.4) | 759 (30.3) | 5592 (27.1) | |
| Uninsured | 2651 (11.5) | 311 (12.4) | 2340 (11.3) | |
| Comorbidities | ||||
| ≥1 | 5701 (24.3) | 1050 (41.3) | 4651 (22.2) | <0.001 |
| Injury-related data | ||||
| Mechanism of injury | ||||
| MVA | 8473 (36.1) | 535 (21.1) | 7938 (38.0) | <0.001 |
| GSW | 4558 (19.4) | 406 (16.0) | 4152 (19.9) | |
| SW | 1863 (8.0) | 325 (12.8) | 1538 (7.4) | |
| Falls | 3895 (16.6) | 539 (21.3) | 3356 (16.0) | |
| Pedestrians | 2594 (11.1) | 417 (16.5) | 2177 (10.4) | |
| Others | 2061 (8.8) | 312 (12.3) | 1749 (8.3) | |
| Type of injury | ||||
| Penetrating | 6454 (27.6) | 722 (28.5) | 5732 (27.5) | 0.283 |
| Intent of injury | ||||
| Self-inflicted | 249 (1.1) | 108 (4.3) | 141 (0.7) | <0.001 |
| Systolic blood pressure | ||||
| Mean (SD) | 128.3 (28.0) | 128.9 (28.3) | 128.2 (28.0) | |
| Median (IQR) | 128 (32) | 128 (34) | 128 (31) | 0.529 |
| <90 mm Hg | 1413 (6.1) | 175 (6.9) | 1238 (6.0) | 0.058 |
| Pulse | ||||
| Mean (SD) | 92.6 (23.4) | 90.7 (21.8) | 92.8 (23.6) | |
| Median (IQR) | 90 (29) | 89 (29) | 91 (30) | <0.001 |
| >120 bpm | 2697 (11.5) | 234 (9.2) | 2463 (11.8) | <0.001 |
| Body Region Injured | ||||
| Head and neck | 4862 (20.7) | 559 (22.0) | 4303 (20.5) | 0.090 |
| Chest | 8903 (37.9) | 1005 (39.5) | 7898 (37.7) | 0.075 |
| Abdomen | 4043 (17.2) | 494 (19.4) | 3549 (16.9) | 0.002 |
| Extremity | 5313 (22.6) | 535 (21.0) | 4778 (22.8) | 0.044 |
| No. body regions involved | ||||
| ≥3 | 794 (3.4) | 88 (3.5) | 706 (3.4) | 0.812 |
| Injury severity score | ||||
| Mean (SD) | 14.5 (10.0) | 14.8 (10.1) | 14.4 (10.0) | |
| Median (IQR) | 13 (10) | 13 (11) | 13 (10) | 0.023 |
| >15 | 9434 (40.5) | 1091 (43.0) | 8343 (40.1) | 0.005 |
| Glasgow Coma Scale score | ||||
| Mean (SD) | 13.5 (3.3) | 13.8 (2.9) | 13.4 (3.3) | |
| Median (IQR) | 15 (0) | 15 (0) | 15 (0) | 0.007 |
| ≤8 | 3054 (13.2) | 243 (9.7) | 2811 (13.6) | <0.001 |
GSW, gunshot wound; MVA, motor vehicle accident; No, number; SW, stab wound.