Table 1 Summary of HEMS dispatch comparing HEMS paramedic dispatch vs non-clinical dispatch
Total (n = 4703) | HEMS paramedic dispatch (n = 2519) | Non-clinical dispatch (n = 2184) | p-value | |
|---|---|---|---|---|
Result | ||||
Patient conveyed | 1681 (36%) | 960 (38%) | 721 (33%) | NS |
Patient Treated | 1228 (26%) | 635 (25%) | 593 (27%) | NS |
Stand down at scene | 113 (2%) | 68 (3%) | 45 (2%) | NS |
Stand down en route | 1681 (36%) | 856 (34%) | 825 (38%) | < 0.001 |
Interventions | ||||
RSI | 490 (10%) | 245 (10%) | 245 (11%) | NS |
Blood products | 169 (4%) | 77 (3%) | 92 (4%) | NS |
Code red | 122 (3%) | 45 (2%) | 77 (4%) | NS |
Thoracotomy | 4 (0.1%) | 4 (0.2%) | 0 (0%) | NS |
Thoracostomy | 262 (6%) | 116 (5%) | 146 (7%) | 0.01 |
Job type | ||||
RTC | 1988 (42%) | 1060 (42%) | 928 (42%) | NS |
Accidental injury | 1158 (25%) | 589 (23%) | 569 (26%) | NS |
Medical | 522 (11%) | 285 (11%) | 237 (11%) | NS |
Assault | 387 (8%) | 192 (8%) | 195 (9%) | NS |
Intentional self-harm | 258 (5%) | 155 (6%) | 103 (5%) | NS |
Sport/leisure | 257 (5%) | 151 (6%) | 106 (5%) | NS |
Other | 106 (2%) | 70 (3%) | 36 (2%) | NS |
Exposure | 27 (0.6%) | 17 (1%) | 10 (0.5%) | 0.003 |
Job dispatch | ||||
Cat 1 (immediate) | 1586 (34%) | 704 (30%) | 882 (40%) | < 0.001 |
Cat 2 (interrogate) | 2056 (44%) | 1300 (52%) | 756 (35%) | < 0.001 |
Cat 3 (crew request) | 1061 (23%) | 515 (20%) | 546 (25%) | < 0.001 |
Time intervals | ||||
999 to HEMS, median, IQR | 7 (4–17) | 7 (4–17) | 7 (4–18) | 0.36 |
999 to scene, median, IQR | 36 (26–51) | 36 (26–51) | 36 (26–52) | 0.97 |