Table 5.
Published data regarding prehospital blood transfusion by UK air ambulances
| Thames Valley Air Ambulance | Kent Surrey Sussex Air Ambulance | London’s Air Ambulance | Great Western Air Ambulance | |
| Reference | Raitt et al 10 | Lyon et al 5 | Rehn et al 11 | Hooper et al 12 |
| RESCUER collaborator | No | No | No | Yes |
| Publication type | Full text | Full text | Abstract | Abstract |
| Date range | January 14–February 16 | February 13–December 14 | January 12–December 15 | August 15–July 16 |
| N | 63 | 147 | 321 | 62 |
| N/year* | 30 | 80 | 82 | 68 |
| Age, median (range) | 40 (13–89) | 42 (9–92) | 31 | Not reported |
| Male, % | 74.6 | 78 | 79 | Not reported |
| Blunt injury, % | 84 | 90 | 61 | Not reported |
| Median ISS | 34 | 30 | Not reported | Not reported |
| ISS >15, % | 95 | 90 | Not reported | Not reported |
| Units of PRBCs | Median, 2 | Mean, 2.4 | Median, 2 (IQR 1–3) | Not recorded |
*The same technique is used to calculate patients per year as described in figure 1.
ISS, injury severity score; PRBC, packed red blood cells; RESCUER, Regional Examination of Standard Care during Evacuation Resuscitation.