Table 1.
Clinical characteristics of the trauma patients
| Clinical parameters | Statistical values |
|---|---|
| Age | 40.3 ± 17.54 |
| Gender | |
| M | 188 (65,7%) |
| F | 98 (34,3%) |
| Systolic blood pressure | 115 ± 23,4 |
| Respiratory rate | 19,5 ± 8,5 |
| Cause of injury | |
| Motor vehicle accidents | 132 (46,2%) |
| Fall | 90 (31,5%) |
| Other | 49 (17,1%) |
| Violence | 15 (5,2%) |
| Mechanism of injury N (%) | |
| Blunt trauma | 191 (66,8%) |
| Penetrating trauma | 95 (33,2%) |
| GCS score | 13,54± 1,59 |
| GAP score | 21,55 ± 2,89 |
| MGAP score | 24,87± 3,22 |
| RTS score | 7,85± 2,22 |
| Resuscitation/Emergency | |
| Intervention N (%) | |
| Yes | 147 (51,6%) |
| No | 139 (48,4%) |
| Intensive Care Unit N (%) | |
| Yes | 79 (27,8%) |
| No | 207 (72,2%) |
| Operative Treatment | |
| Yes | 198 (69,2%) |
| No | 89 (30,8%) |
| Mortality at four weeks | |
| Yes | 56 (19,5%) |
| No | 230 (80,5%) |
Table 2.
Clinical signs and trauma scores in patients who survived versus those who died
| Clinical signs | Survived | Deceased | p |
|---|---|---|---|
| Age | 38,2 ± 17,22 | 41,5 ± 16.26 | 0,021 |
| SBP | 115,7 ± 18.28 | 88,4 ± 19.73 | <0,001 |
| RR | 19,04 ± 3,85 | 14,1 ± 6,67 | <0,001 |
| Mechanism of injury N (%) | |||
| Blunt trauma | 203 (88,2%) | 27 (11,2 %) | <0,001 |
| Penetrating trauma | 7 (15,2%) | 39 (84,8%) | <0,001 |
| GCS score | 13,54± 1,59 | 7,76± 3,87 | <0,001 |
| GAP score | 22,56 ± 2,93 | 16,21± 4,68 | <0,001 |
| MGAP score | 24,98± 3,45 | 18,54± 5,32 | <0,001 |
| RTS score | 7,95± 2,55 | 4,99± 2,58 | <0,001 |

Figure 1.
Trauma scores mean values for the survivors and the deceased
Table 3.
Sensitivity and specificity for GAP, MGAP and RTS scores
| Scores | The cut-off value for predicting mortality | Sensitivity | Specificity | AUC (95% CI) | p |
|---|---|---|---|---|---|
| GAP | <11,5 | 86 | 100 | 0,890 (0,822–0,934) | <0,001 |
| MGAP | <18 | 94 | 98 | 0,869 (0,842–0,945) | <0,001 |
| RTS | <7,5 | 83 | 99 | 0,871 (0,854–0,969) | <0,001 |

Figura 2.
AUROC values, sensitivity and specificity for GAP, MGAP and RTS scores