Table 1.
Summary Statistics
| Variable | Mean | Standard Deviation | |
|---|---|---|---|
| Total out-of-hospital time | 36.05 | Minutes | 16.62 |
| On-scene time | 14.67 | Minutes | 8.496 |
| First-response time | 8.07 | Minutes | 6.073 |
| Transport time | 13.36 | Minutes | 9.723 |
| Paramedic number of runs in last 3 months | 17.69 | Trauma runs | 12.240 |
| Paramedic total number of runs (noncensored) | 408.75 | Trauma runs | 299.150 |
| Firm number of runs in last 3 months | 456.68 | Trauma runs | 528.720 |
| Paramedic tenure (noncensored) | 6.48 | Years | 3.189 |
| Number of procedures and EMT certifications | |||
| Number of procedures in incident | 2.00 | Procedures | 2.185 |
| Cerification level: EMT-Basic | 2.56% | 0.158 | |
| Cerification level: EMT-Intermediate | 0.57% | 0.075 | |
| Cerification level: EMT-Paramedics | 96.87% | 0.174 | |
| Patient demographics and people in incident | |||
| Patient age | 42.12 | Years | 25.10 |
| Patient race: African American | 40.80% | 0.491 | |
| Patient race:White | 55.86% | 0.497 | |
| Patient gender: female | 55.10% | 0.497 | |
| Number of victims in incident | 1.33 | Victims | 0.741 |
| Type and location of trauma | |||
| Type of trauma: fall | 31.59% | 0.465 | |
| Type of trauma: motor vehicle crash | 53.02% | 0.499 | |
| Type of trauma: motorcycle accident | 1.14% | 0.106 | |
| Type of trauma: pedestrian accident | 1.69% | 0.129 | |
| Type of trauma: cut/stabbing | 2.32% | 0.151 | |
| Type of trauma: assault | 8.74% | 0.282 | |
| Type of trauma: gunshot | 1.50% | 0.122 | |
| Location of trauma: city street | 20.70% | 0.405 | |
| Location of trauma: county road | 9.26% | 0.290 | |
| Location of trauma: state/federal highway | 23.68% | 0.425 | |
| Location of trauma: residence | 30.53% | 0.461 | |
| Location of trauma: other | 15.83% | 0.365 | |
| Year and month | |||
| Year 2001 | 19.61% | 0.397 | |
| Year 2002 | 21.55% | 0.411 | |
| Year 2003 | 19.66% | 0.397 | |
| Year 2004 | 19.75% | 0.398 | |
| Year 2005 | 19.43% | 0.396 | |
| January | 7.54% | 0.264 | |
| February | 7.78% | 0.268 | |
| March | 8.76% | 0.283 | |
| April | 8.79% | 0.283 | |
| May | 9.15% | 0.288 | |
| June | 8.54% | 0.279 | |
| July | 8.78% | 0.283 | |
| August | 7.90% | 0.270 | |
| September | 7.99% | 0.271 | |
| October | 8.20% | 0.274 | |
| November | 8.33% | 0.276 | |
| December | 8.24% | 0.275 | |
| Provider | |||
| Public EMS provider (e.g., fire department based) | 18.64% | 0.389 | |
| Hospital-based EMS company | 27.23% | 0.445 | |
| Private EMS provider (corporate) | 54.13% | 0.498 | |