Table 9.
Mortality of matched civilian patients undergoing prehospital RBC transfusions
| Study | RBC yes | RBC no | RR | p-value | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
| ||||||||||
| ISS | No. | Died | % | ISS | No. | Died | % | |||
| Brown, 2015 [6] | 22 | 71 | 26 | 36.6 | 22 | 142 | 48 | 33.8 | 1.1 | 0.7605 |
| Sumida, 2000 [9] | 28 | 17 | 7 | 41.2 | 28 | 31 | 19 | 61.3 | 0.7 | 0.2323 |
| 88 | 33 | 37.5 | 173 | 67 | 38.7 | 1.0 | 0.8933 | |||
RBC, Red blood cell; ISS, Injury severity score; RR, Risk ratio; RBC yes, RBC transfusion given prehospital; RBC no, RBC transfusion not given prehospital; %, Percent; Brown study, all from scene; Sumida study, some interhospital transfers.