Table 1.
Event descriptive data, mechanisms of trauma, and timing of events by time, day of week, and season
| Number of events | 3856 |
| Mean patient age (±SD) | 10.2 (5.1) |
| Events with males, n (%) | 2539 (65.8) |
| Race, n (%) | |
| White | 2384 (61.8) |
| Black | 1347 (34.9) |
| Other | 78 (2.0) |
| Not documented | 47 (1.2) |
| Admission parameters | |
| Median length of stay, days (IQR) | 1 (1–2) |
| Intensive care unit admissions, n (%) | 295 (7.7) |
| Transferred from ED to operating room, n (%) | 133 (3.4) |
| Outcome, n (%) | |
| Alive at discharge | 3801 (98.6) |
| Deceased | 55 (1.4) |
| Classification of trauma by External-Cause-of-Injury Coding, n (%) | |
| Motor vehicle traffic accidents | 1486 (38.5) |
| Motor vehicle non-traffic accidents | 151 (3.9) |
| Other road vehicle accidents | 307 (8.0) |
| Vehicle accidents not elsewhere classifiable | 34 (0.9) |
| Accidental falls | 1078 (28.0) |
| Accidents related to natural and environmental factors | 24 (0.6) |
| Submersion, suffocation, and foreign bodies | 80 (2.1) |
| Suicide and self-inflicted injury | 12 (0.3) |
| Homicide and injury purposely inflicted by other persons | 295 (7.7) |
| Other injuries | 389 (10.1) |
| Timing of event, n (%) | |
| Morning 05:51–11:50 | 291 (7.5) |
| Afternoon 11:51–17:50 | 1434 (37.2) |
| Night 17:51–23:50 | 1916 (48.7) |
| Overnight 23:51–05:50 | 215 (5.6) |
| Time of year, n (%) | |
| Winter (January 1–March 31) | 673 (17.5) |
| Spring (April 1–June 30) | 1141 (29.6) |
| Summer (July 1–September 30) | 1245 (32.3) |
| Fall (October 1–December 31) | 797 (20.7) |
| Day of week, n (%) | |
| Weekend | 1273 (33.0) |
| Weekday | 2583 (67.0) |