Table 2.
Demographics of Initial Patient Dataset for Model Creation of Cross-Validation
| Statistic | N | Mean | St.Dev. | Min | Max |
|---|---|---|---|---|---|
| Age | 227 | 24.623 | 4.883 | 19.200 | 47.200 |
| Transfemoral Amputation (Binary, 0 = NO, 1 = YES) |
227 | 0.463 | 0.500 | 0 | 1 |
| Marine Status (Binary, 0 = NOT A MARINE, 1 = A MARINE) |
224 | 0.585 | 0.494 | 0 | 1 |
| Genitourinary Injury (Binary, 0 = NO, 1 = YES) |
227 | 0.485 | 0.501 | 0 | 1 |
| THEATER Colostomy (Binary, 0 = NO, 1 = YES) |
225 | 0.169 | 0.375 | 0 | 1 |
| White Blood Cell count (cells/ml3) |
224 | 8.396 | 2.753 | 1.800 | 19.700 |
| ISS | 227 | 21.233 | 8.346 | 4 | 50 |
| MEDCEN Shock Index | 226 | 0.811 | 0.190 | 0.061 | 1.558 |
| Pelvis Injury (Binary, 0 = NO, 1 = YES) |
227 | 0.308 | 0.463 | 0 | 1 |
| Penetrating Abdomen Injury (Binary, 0 = NO, 1 = YES) |
227 | 0.141 | 0.349 | 0 | 1 |
| Rectal Injury (Binary, 0 = NO, 1 = YES) |
227 | 0.115 | 0.319 | 0 | 1 |
| SOFA Score | 226 | 6.049 | 3.975 | 0 | 19 |
| Theater Base Deficit | 186 | 6.430 | 5.652 | 0 | 27 |
| Theater Wholeblood and PRBC (Units) |
227 | 18.432 | 18.336 | 0 | 126 |
| Theater Shock Index | 197 | 1.068 | 0.469 | 0.418 | 3.120 |
MEDCEN = Landstuhl Regional Medical Center; ISS = Injury Severity Score, PRBC = packed red blood cells; Sequential Organ Failure Assessment = SOFA.