Table 1

Patient characteristics by specialty group and overall

VariablesSpecialty groupOverall
TraumaSurgicalMedical
n=1 495 730 (9.3%)n=4 209 243 (26.3%)n=10 299 259 (64.4%)N=16 004 232 (100%)
Hospitalization counts by trauma center level, n (%)
Level I545 520 (36.5%)1 684 463 (40.0%)3 300 308 (32.0%)4 382 110 (34.6%)
Level II587 618 (39.3%)1 541 300 (36.6%)3 962 913 (38.5%)4 382 110 (38.1%)
Level III362 592 (24.2%)983 480 (23.4%)3 036 038 (29.5%)4 382 110 (27.4%)
Age grouping, n (%)
65–69213 408 (14.3%)1 186 337 (28.2%)2 044 345 (19.8%)3 444 090 (21.5%)
70–74232 580 (15.5%)1 075 553 (25.6%)2 033 188 (19.7%)3 341 321 (20.9%)
75–79249 002 (16.6%)858 202 (20.4%)1 905 691 (18.5%)3 012 895 (18.8%)
80–84271 298 (18.1%)588 559 (14.0%)1 722 964 (16.7%)2 582 821 (16.1%)
>85529 442 (35.4%)500 592 (11.9%)2 593 071 (25.2%)3 623 105 (22.6%)
Elixhauser Score, mean (SD)9.32 (8.75)9.15 (9.33)13.14 (9.02)11.74 (9.28)
Female, n (%)922 459 (61.7%)2 085 938 (49.6%)5 590 671 (54.3%)8 599 068 (53.7%)
White, n (%)1 347 635 (90.1%)8 534 348 (82.9%)3 639 342 (86.5%)13 521 325 (84.5%)
  • All comparisons to trauma patients are statistically significant (p<0.001).