Table 3.
Trends of patient characteristics over the study period. 2021 includes January through July
| 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 (Jan-July) | p value | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of patients evaluated | 13,880 | 14,823 | 15,597 | 15,352 | 13,688 | 12,153 | 11,470 | 11,227 | 13,535 | 9977 | 6165 | |
| Patient age (years) | ||||||||||||
| Mean (SD) | 23.4 (15.3) | 23.7 (15.8) | 23.7 (15.8) | 23.7 (15.9) | 24.5 (15.9) | 26.0 (15.7) | 25.7 (15.7) | 26.6 (15.7) | 27.1 (15.5) | 28.0 (15.4) | 28.0 (15.3) | < 0.001 |
| Sex: N (%) | ||||||||||||
| Male | 10,055 (72.5) | 10,674 (72.0) | 11,387 (73.0) | 11,194 (72.9) | 10,077 (73.7) | 9127 (75.1) | 8506 (74.3) | 8453 (75.3) | 10,447 (77.2) | 7783 (78.3) | 4905 (79.8) | < 0.001 |
| Female | 3815 (27.5) | 4144 (28.0) | 4208 (27.0) | 4155 (27.1) | 3601 (26.3) | 3020 (24.9) | 2946 (25.7) | 2774 (24.7) | 3086 (22.8) | 2163 (21.7) | 1238 (20.2) | |
| Mechanism of injury: N (%) | ||||||||||||
| Pedestrian hit by vehicle | 490 (3.6) | 1187 (8.0) | 1309 (8.4) | 1318 (8.7) | 1190 (8.8) | 1289 (10.8) | 1186 (10.5) | 1258 (11.5) | 1481 (11.6) | 1049 (11.3) | 723 (12.5) | < 0.001 |
| Driver/passenger in vehicle accident | 3185 (23.3) | 2516 (17.0) | 2701 (17.4) | 2886 (19.0) | 2779 (20.5) | 2851 (23.8) | 2765 (24.5) | 2931 (26.7) | 3553 (27.7) | 2662 (28.7) | 1816 (31.4) | |
| Fall | 4315 (31.5) | 4725 (32.0) | 4693 (30.2) | 4716 (31.0) | 3876 (28.5) | 2741 (22.9) | 2860 (25.3) | 2375 (21.6) | 2669 (20.8) | 1850 (19.9) | 1199 (20.7) | |
| Assault | 3523 (25.7) | 3703 (25.0) | 3974 (25.6) | 3775 (24.8) | 3384 (24.9) | 3180 (26.6) | 2713 (24.0) | 2664 (24.3) | 2985 (23.3) | 2259 (24.3) | 1278 (22.1) | |
| Collapsed structure | 838 (6.1) | 829 (5.6) | 824 (5.3) | 696 (4.6) | 689 (5.1) | 516 (4.3) | 560 (5.0) | 506 (4.6) | 638 (5.0) | 452 (4.9) | 195 (3.4) | |
| Other | 1337 (9.8) | 1824 (12.3) | 2017 (13.0) | 1826 (12.0) | 1666 (12.3) | 1378 (11.5) | 1214 (10.7) | 1237 (11.3) | 1489 (11.6) | 1012 (10.9) | 581 (10.0) | |
| Transferred? N (%) | ||||||||||||
| Yes | 1763 (12.7) | 2194 (14.8) | 2796 (17.9) | 2949 (19.2) | 2640 (19.3) | 2689 (22.1) | 2346 (20.5) | 2589 (23.2) | 3028 (22.5) | 2809 (28.2) | 1873 (30.5) | < 0.001 |
| Admitted? N (%) | ||||||||||||
| Yes | 2598 (18.8) | 2625 (17.7) | 2461 (15.8) | 2220 (14.5) | 1826 (13.3) | 1947 (16.0) | 1562 (13.6) | 2011 (18.1) | 2478 (18.5) | 2236 (22.6) | 1534 (25.1) | < 0.001 |
| Underwent Surgery, n (%) | ||||||||||||
| Yes | 179 (1.3) | 1058 (7.1) | 647 (4.1) | 544 (3.5) | 442 (3.2) | 468 (3.9) | 269 (2.3) | 582 (5.2) | 752 (5.6) | 762 (7.6) | 468 (7.6) | < 0.001 |
| Mortality, n (%) | ||||||||||||
| Crude in-hospital mortality | 221 (1.6) | 237 (1.6) | 257 (1.6) | 244 (1.6) | 270 (2.0) | 309 (2.5) | 341 (3.0) | 323 (2.9) | 368 (2.7) | 369 (3.7) | 205 (3.3) | < 0.001 |