Table 1. Characteristics of CRITICAL and NORMAL patients.
| Patient characteristics | CRITICAL (MAR <14.2) | NORMAL (MAR ≥14.2) | P value |
|---|---|---|---|
| Age (years)† | 31 [24, 48] | 41 [29, 48] | 0.1348 |
| Gender (% male) | 70% | 84% | 0.1966 |
| Injury severity score (ISS)† | 30 [22, 41] | 27 [17, 36] | 0.1754 |
| Mechanism of injury (% blunt) | 100% | 96.5% | 0.3246 |
| Base deficit (mEq/L) | −7 (−8, −2) | −4 (−7, −2) | 0.0081 |
| Shock index | 0.92 (0.64, 1.59) | 0.79 (0.66, 1.04) | 0.2374 |
| Critical administration threshold (CAT+) (%) | 52% | 23% | 0.0078 |
| Red blood cells (units) ‡ | 11 (17.5) | 2.8 (5.9) | 0.0006 |
| Fresh frozen plasma (units) ‡ | 4.8 (8.4) | 1.2 (3.1) | 0.0067 |
| Platelets (units) ‡ | 1.2 (2.24) | 0.3 (0.9) | 0.0047 |
| Cryoprecipitate (units) ‡ | 0.74 (1.6) | 0.2 (0.7) | 0.0722 |
| Hospital days† | 8 [6, 25] | 15 [8, 20] | 0.2177 |
| Intensive care unit (ICU), days† | 5 [3, 10] | 7 [3, 15] | 0.4154 |
| Mortality (%) | 7.4% | 7% | 0.3416 |
†, interquartile ranges (confidence intervals); ‡, mean (standard deviation).