Table 1.
Patient Demographic and Injury Severity Characteristics NTDB 2007
| Demographic/injury severity | All patients | White | Black | Hispanic | p Value | ||||
|---|---|---|---|---|---|---|---|---|---|
| n | % | n | % | n | % | n | % | ||
| Total | 173,167 | 113,954 | 65.8 | 33,906 | 19.6 | 25,307 | 14.6 | ||
| Male | 125,677 | 72.9 | 79,478 | 70.1 | 25,746 | 76.0 | 20,453 | 80.8 | <0.001 |
| Age, y | <0.001 | ||||||||
| 18–24 | 39,986 | 23.1 | 23,326 | 20.5 | 8,935 | 26.4 | 7,725 | 30.5 | |
| 25–34 | 38,172 | 22.0 | 22,006 | 19.3 | 8,497 | 25.1 | 7,669 | 30.3 | |
| 35–44 | 34,996 | 20.2 | 22,931 | 20.1 | 7,038 | 20.8 | 5,027 | 19.9 | |
| 45–54 | 35,618 | 20.6 | 25,986 | 22.8 | 6,375 | 18.8 | 3,257 | 12.9 | |
| 55–64 | 24,395 | 14.1 | 19,705 | 17.3 | 3,061 | 9.0 | 1,629 | 6.4 | |
| Insurance status | <0.001 | ||||||||
| Private insurance | 89,422 | 51.6 | 68,237 | 59.9 | 11,131 | 32.8 | 10,054 | 39.7 | |
| Public insurance | 27,349 | 15.8 | 16,817 | 14.8 | 7,462 | 22.0 | 3,070 | 12.1 | |
| Uninsured | 56,396 | 32.6 | 28,900 | 25.4 | 15,313 | 45.2 | 12,183 | 48.1 | |
| Type of injury | <0.001 | ||||||||
| Blunt | 139,533 | 85.5 | 99,433 | 92.5 | 21,327 | 66.7 | 18,773 | 78.8 | |
| Penetrating | 23,767 | 14.6 | 8,075 | 7.5 | 10,639 | 33.3 | 5,053 | 21.2 | |
| Mechanism of injury | <0.001 | ||||||||
| Motor vehicle collision | 75,112 | 44.3 | 54,743 | 48.9 | 10,760 | 32.7 | 9,609 | 39.0 | |
| Fall | 36,583 | 21.6 | 27,963 | 25.0 | 4,181 | 12.7 | 4,439 | 18.0 | |
| Gunshot wound | 12,366 | 7.3 | 3,066 | 2.7 | 6,948 | 21.1 | 2,352 | 9.6 | |
| Stab wound | 11,401 | 6.7 | 5,009 | 4.5 | 3,691 | 11.2 | 2,701 | 11.0 | |
| Struck | 21,413 | 12.6 | 11,989 | 10.7 | 5,666 | 17.2 | 3,758 | 15.3 | |
| Intentional injury | 33,366 | 19.6 | 12,696 | 11.3 | 13,955 | 42.3 | 6,715 | 27.0 | <0.001 |
| Region of body injury | <0.001 | ||||||||
| Head | 25,262 | 14.6 | 17,248 | 15.1 | 3,897 | 11.5 | 4,117 | 16.3 | |
| Thorax | 20,611 | 11.9 | 14,080 | 12.4 | 3,692 | 10.9 | 2,839 | 11.2 | |
| Abdomen | 5,536 | 3.2 | 3,079 | 2.7 | 1,459 | 4.3 | 998 | 3.9 | |
| Extremity | 22,324 | 12.9 | 15,115 | 13.3 | 4,428 | 13.1 | 2,781 | 11.0 | |
| Shock (SBP < 90 mmHg) | 5,697 | 3.4 | 3,366 | 3.1 | 1,444 | 4.4 | 887 | 3.6 | <0.001 |
| Injury severity | |||||||||
| Mild (ISS ≤ 8) | 76,678 | 45.7 | 47,815 | 43.1 | 16,694 | 51.0 | 12,169 | 50.4 | |
| Moderate (ISS: 9–14) | 51,056 | 30.4 | 35,067 | 31.6 | 9,352 | 28.6 | 6,637 | 27.5 | |
| Severe (ISS: 15–24) | 23,277 | 13.9 | 16,457 | 14.9 | 3,770 | 11.5 | 3,050 | 12.6 | |
| Extremely severe (ISS ≥ 25) | 16,707 | 10.0 | 11,492 | 10.4 | 2,901 | 8.9 | 2,314 | 9.6 | |
| Mean LOS, d ± SD | 6.0 ± 9.8 | 5.9 ± 9.3 | 6.1 ± 10.9 | 6.1 ± 10.9 | <0.001 | ||||
| Discharge disposition | <0.001 | ||||||||
| Home | 136,600 | 78.9 | 87,488 | 76.8 | 27,286 | 80.5 | 21,826 | 86.2 | |
| Home health | 5,770 | 3.3 | 4,253 | 3.7 | 1,140 | 3.4 | 377 | 1.5 | |
| Rehabilitation facility | 8,641 | 5.0 | 6,794 | 6.0 | 1,068 | 3.2 | 779 | 3.1 | |
| Nursing facility | 9,399 | 5.4 | 7,187 | 6.3 | 1,657 | 4.9 | 555 | 2.2 | |
| Hospital transfer | 5,395 | 3.1 | 3,847 | 3.4 | 927 | 2.7 | 621 | 2.5 | |
| Other | 2,328 | 1.3 | 1,389 | 1.2 | 617 | 1.8 | 322 | 1.3 | |
| In-hospital mortality | 5,034 | 2.9 | 2,996 | 2.6 | 1,211 | 3.6 | 827 | 3.3 | <0.001 |
Table represents demographic and injury severity characteristics for patients from the NTDB 8.0, collected during the year 2007, who met the following inclusion criteria: age 18 to 64; listed as white, black, or Hispanic; having no burn injury; having data on discharge location and insurance status. White represents non-Hispanic white, and Hispanic represents non-black Hispanic. The p values represent significance of Pearson’s chi-squared test or ANOVA test when comparing variable of interest by race/ethnicity.
ISS, Injury Severity Score; LOS, length of stay; NTDB, National Trauma Data Bank; SBP, systolic blood pressure.