Baseline characteristics of patients who presented to the emergency department after being hit by a moving subway train
| Characteristic | No. (%) of patients* n = 51 |
|---|---|
| Age, mean ± SD, yr | 41 ± 27 |
| Male sex | 35 (69) |
| Glasgow Coma Scale score | |
| ≤ 8 | 18 (35) |
| 9–13 | 2 (4) |
| ≥ 13 | 31 (61) |
| Systolic blood pressure < 90 mm Hg | 13 (25) |
| Injury Severity Score, median (IQR) | 17 (9–29) |
| Injury Severity Score | |
| 1–8 | 12 (24) |
| 9–15 | 11 (22) |
| 16–24 | 8 (16) |
| 25–47 | 15 (29) |
| 48–75 | 5 (10) |
| Abbreviated Injury Scale score ≥ 3 | |
| Head | 22 (43) |
| Thorax | 17 (33) |
| Spine | 5 (10) |
| Upper extremity | 4 (8) |
| Lower extremity | 15 (29) |
| Length of hospital stay, mean ± SD, d | 20.8 ± 20 |
| Length of intensive care unit stay, mean ± SD, d | 7.8 ± 8 |
| Duration of mechanical ventilation, mean ± SD, d | 8.7 ± 10 |
| Postemergency destination (n = 41) | |
| Intensive care unit | 17 (41) |
| Operating room | 12 (29) |
| Ward | 9 (22) |
| Transferred to secondary acute care hospital | 1 (2) |
| Discharged home | 2 (5) |
| Blood alcohol concentration, mg/dL | |
| > 0 | 12 (24) |
| > 80 | 10 (20) |
| Unknown | 10 (20) |
| Intent | |
| Self-inflicted | 39 (76) |
| Accidental | 10 (20) |
| Homicide/assault | 2 (4) |
| Psychiatric history | 22 (43) |
| Depression/depressive episodes | 15 (29) |
| Psychotic disorder | 10 (20) |
| Bipolar disorder | 4 (8) |
| Anxiety disorder | 1 (2) |
| History of previous suicide attempt(s) | 3 (6) |
| Psychiatric condition, not otherwise specified | 2 (4) |
| > 1 psychiatric diagnosis | 10 (20) |
| Recorded history of alcohol or substance use | 17 (33) |
| Alcohol use disorder only | 7 (14) |
| Psychoactive substance use only | 7 (14) |
| Both alcohol and substance use | 3 (6) |
| Died | 15 (29) |
| In emergency department | 10 (20) |
| After surgery | 2 (4) |
| In intensive care without surgery | 3 (6) |
IQR = interquartile range; SD = standard deviation.
↵* Except where noted otherwise.