Table 3.
Injury Severity Score and mortality in hypotensive trauma patients
| Study | Criteria | ISS | Total | Deaths | % | |
|---|---|---|---|---|---|---|
| Yaghoubian, 2007 [26] | PreH sBP ≤ 90 | 17 | 194 | 49 | 25.3 | |
| Bruns, 2008 [23] | PreH sBP ≤ 90 | 19 | 1781 | 623 | 35.0 | |
| Martin, 1992 [16] | PreH sBP ≤ 90 | 25 | 316 | 118 | 37.3 | |
| Inaba, 2008 [15] | Un-X RBC | 26 | 1236 | 489 | 39.6 | |
| Schwab, 1986 [19] | Un-X RBC | 27 | 99 | 37 | 37.4 | |
| Nunez, 2010 [2] | Un-X RBC | 27 | 485 | 136 | 28.0 | |
| Ball, 2011 [1] | Un-X RBC | 28 | 153 | 69 | 45.1 | |
| Miraflor, 2012 [17] | Un-X RBC | 28 | 132 | 45 | 34.1 | |
| Dutton, 2005 [27] | Un-X RBC | 34 | 161 | 71 | 44.1 | |
| Ruchholtz, 2006 [18] | Un-X RBC | 39 | 116 | 56 | 48.3 | |
| 27.0 | 4673 | 1693 | 36.2 | 95% CI 35-38% |
PreH, Prehospital; sBP, Systolic blood pressure; ISS, Injury severity score; Un-X RBC, Un-crossmatched red blood cells; %, Percent; CI, Confidence interval.