Table A-4a.
Demographics of population of seriously injured pediatric trauma patients including rural and transfer populations, after exclusions and adjustment for difference in TC and nTC hospital case mix.
| Total | Non-Trauma Center | % | Trauma Center (TC) | % | Adult TC | % | Pediatric TC | % | |
|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||
| Total | 90,800 | 31,481 | 34.67% | 59,319 | 65.33% | 40,364 | 44.45% | 18,258 | 20.11% |
| Total TC | |||||||||
|
| |||||||||
| Age (yr) | |||||||||
| 0–364 days | 4,848 | 1,809 | 5.75% | 3,039 | 5.12% | 1,327 | 3.29% | 1,552 | 8.50% |
| 1–4 | 11,178 | 3,414 | 10.84% | 7,764 | 13.09% | 4,034 | 9.99% | 3,605 | 19.74% |
| 5–9 | 12,294 | 4,274 | 13.58% | 8,020 | 13.52% | 4,145 | 10.27% | 3,757 | 20.58% |
| 10–14 | 17,645 | 6,745 | 21.43% | 10,900 | 18.38% | 6,136 | 15.20% | 4,675 | 25.61% |
| 15–19 | 44,835 | 15,239 | 48.41% | 29,596 | 49.89% | 24,722 | 61.25% | 4,669 | 25.57% |
| Gender | |||||||||
| Male | 65,578 | 22,973 | 72.97% | 42,605 | 71.82% | 29,799 | 73.83% | 12,271 | 67.21% |
| Female | 25,215 | 8,506 | 27.02% | 16,709 | 28.17% | 10,562 | 26.17% | 5,985 | 32.78% |
| Unknown | 7 | 2 | 0.01% | 5 | 0.01% | 3 | 0.01% | 2 | 0.01% |
| Race/Ethnicity | |||||||||
| White-non Hispanic | 35,896 | 15,402 | 48.92% | 20,494 | 34.55% | 14,250 | 35.30% | 6,002 | 32.87% |
| Black-non Hispanic | 9,713 | 2,294 | 7.29% | 7,419 | 12.51% | 5,066 | 12.55% | 2,254 | 12.35% |
| Hispanic | 35,819 | 11,024 | 35.02% | 24,795 | 41.80% | 17,428 | 43.18% | 7,087 | 38.82% |
| Asian | 4,937 | 1,615 | 5.13% | 3,322 | 5.60% | 2,315 | 5.74% | 963 | 5.27% |
| Native American | 250 | 98 | 0.31% | 152 | 0.26% | 99 | 0.25% | 53 | 0.29% |
| Other/unknown | 4,185 | 1,048 | 3.33% | 3,137 | 5.29% | 1,206 | 2.99% | 1,899 | 10.40% |
| Payer | |||||||||
| Public | 41,584 | 10,529 | 33.45% | 31,055 | 52.35% | 20,027 | 49.62% | 10,712 | 58.67% |
| HMO | 14,325 | 8,020 | 25.48% | 6,305 | 10.63% | 4,137 | 10.25% | 2,080 | 11.39% |
| Private | 26,494 | 9,974 | 31.68% | 16,520 | 27.85% | 11,601 | 28.74% | 4,680 | 25.63% |
| Self pay | 6,799 | 2,604 | 8.27% | 4,195 | 7.07% | 3,493 | 8.65% | 658 | 3.60% |
| Other/unknown | 1,598 | 354 | 1.12% | 1,244 | 2.10% | 1,106 | 2.74% | 128 | 0.70% |
| Income* | |||||||||
| <=2* FPL | 27,983 | 8,198 | 26.04% | 19,785 | 33.35% | 13,877 | 34.38% | 5,750 | 31.49% |
| 2* FPL - 3* FPL | 35,025 | 12,659 | 40.21% | 22,366 | 37.70% | 14,822 | 36.72% | 7,280 | 39.87% |
| >3* FPL | 25,156 | 9,577 | 30.42% | 15,579 | 26.26% | 10,459 | 25.91% | 4,865 | 26.65% |
| Unknown | 2,636 | 1,047 | 3.33% | 1,589 | 2.68% | 1,206 | 2.99% | 363 | 1.99% |
| Disposition | |||||||||
| Died | 4,836 | 1,201 | 3.81% | 3,635 | 6.13% | 2,528 | 6.26% | 1,100 | 6.02% |
| Discharge | 85,961 | 30,278 | 96.18% | 55,683 | 93.87% | 37,836 | 93.74% | 17,157 | 93.97% |
| Unknown | 3 | 2 | 0.01% | 1 | 0.00% | 0 | 0.00% | 1 | 0.01% |
| Injury Mechanism** | |||||||||
| Fall | 15,281 | 6,649 | 21.12% | 8,632 | 14.55% | 5,074 | 12.57% | 3,240 | 17.75% |
| Firearm | 10,251 | 2,419 | 7.68% | 7,832 | 13.20% | 6,453 | 15.99% | 1,321 | 7.24% |
| MVA | 35,282 | 9,536 | 30.29% | 25,746 | 43.40% | 17,647 | 43.72% | 7,979 | 43.70% |
| Injury Type*** | |||||||||
| Central nervous system | 35,481 | 10,601 | 33.67% | 24,880 | 41.94% | 15,836 | 39.23% | 7,760 | 42.50% |
| Abd thorax | 45,583 | 16,314 | 51.82% | 29,269 | 49.34% | 20,177 | 49.99% | 8,989 | 49.23% |
| Blood vessels | 2,676 | 559 | 1.78% | 2,117 | 3.57% | 1,638 | 4.06% | 476 | 2.61% |
| Other | 21,632 | 6,659 | 21.15% | 14,973 | 25.24% | 9,383 | 23.25% | 5,379 | 29.46% |
| Injury Severity | |||||||||
| Mild (iss<9)**** | 30,652 | 12,587 | 39.98% | 18,065 | 30.45% | 12,708 | 31.48% | 5,276 | 28.90% |
| Moderate(9<=iss<=15) | 33,022 | 10,902 | 34.63% | 22,120 | 37.29% | 15,503 | 38.41% | 6,516 | 35.69% |
| Severe (iss>15) | 26,982 | 7,922 | 25.16% | 19,060 | 32.13% | 12,128 | 30.05% | 6,420 | 35.16% |
| Iss not listed | 144 | 70 | 0.22% | 74 | 0.12% | 25 | 0.06% | 46 | 0.25% |
| MSA status# | |||||||||
| Rural | 6,714 | 3,065 | 9.74% | 3,649 | 6.15% | 2,308 | 5.72% | 1,341 | 7.34% |
| Urban | 84,086 | 28,416 | 90.26% | 55,670 | 93.85% | 38,056 | 94.28% | 16,917 | 92.66% |
| Transfer status | |||||||||
| Transferred -in | 6,246 | 2,692 | 8.55% | 3,554 | 5.99% | 1,393 | 3.45% | 2,113 | 11.57% |
Missing data was minimal. There was no differential missing data rate by outcomes
Income is median household income per zipcode and is based on federal poverty level (FPL) from 2004 ($18,850 household income)
Injury Mechanism is based on E-code; Patients can have 0 to 5 E-codes thus the column sum can be greater than 100%. We list only the top three mechanisms of injury.
Injury type: Injury type is categorized according to ICD-9 groupings. We list only the most serious categories. These are not mutually exclusive.
ISS=Injury Severity Score
MSA=metropolitan statistical area as designated by U.S. Census Bureau