Table 3.
Mechanism of injury sub-categories, stratified by pre-pandemic and pandemic periods, of children < 18 years old who had a trauma activation in Los Angeles County Trauma Centers from 2019 to 2020.
| Mechanism of Injury | January 1, 2019-March 18th, 2020 Pre-Pandemic (n = 2695) | March 19th-December 31, 2020 Pandemic (n = 1701) | p-value |
|---|---|---|---|
| Motorized Vehicle | |||
| MVC | 367 (13.6) | 269 (15.8) | 0.044 |
| MVC > 20 MPH | 65 (2.4) | 64 (3.8) | 0.01 |
| Extricated after MVC | 24 (0.9) | 6 (0.4) | 0.035 |
| Ejected after MVC | 17 (0.6) | 18 (1.1) | 0.12 |
| MVC with Passenger Space Intrusion | 22 (0.8) | 21 (1.2) | 0.17 |
| MVC with Passenger Space Intrusion 13–17 inches | 41 (1.5) | 28 (1.7) | 0.746 |
| MVC with Passenger Space Intrusion > 18 inches | 17 (0.6) | 10 (0.6) | 0.859 |
| Survived Fatal MVC | 8 (0.3) | 6 (0.4) | 0.749 |
| Motorcycle / Moped | 30 (1.1) | 41 (2.4) | 0.001 |
| Falls | 778 (28.9) | 467 (27.5) | 0.311 |
| Fall> 15 feet | 84 (3.1) | 40 (2.4) | 0.136 |
| Pedestrian / Bicycle< 20 MPH | 163 (6.1) | 87 (5.1) | 0.193 |
| Pedestrian / Bicycle> 20 MPH | 263 (9.8) | 123 (7.2) | 0.004 |
| Assault | 105 (3.9) | 42 (2.5) | 0.01 |
| Gunshot Wound | 202 (7.5) | 178 (10.5) | 0.001 |
| Stabbing | 92 (3.4) | 54 (3.2) | 0.667 |
| Self-inflicted Accidental | 19 (0.7) | 19 (1.1) | 0.151 |
| Self-Inflicted Intentional | 5 (0.2) | 8 (0.5) | 0.09 |
| Crush | 19 (0.7) | 8 (0.5) | 0.332 |
| Thermal Burn | 31 (1.2) | 52 (3.1) | <0.001 |
| Sports / Recreation | 152 (5.6) | 25 (1.5) | <0.001 |
| Animal Bite | 42 (1.6) | 40 (2.4) | 0.058 |
| Other Mechanism of Injury | 123 (4.6) | 77 (4.5) | 0.954 |
| Unknown Mechanism of Injury | 26 (1.0) | 18 (1.1) | 0.762 |
Values in table represent frequency (column percent).
MVC, motor vehicle collision; MPH, miles per hour.