Table 3.
Comparison of the epidemiological profile of trauma patients in the prediction of length of stay < or ≥ 6 days
| LOS < 6 days | LOS ≥ 6 days | PR (CI-95%) | P | |
|---|---|---|---|---|
| Age (years) | 52.0 (37.2-58.7) | 44.0 (33.0-59.0) | 0.999 (0.996-1.002) | 0.593 |
| Gender | 0.003 | |||
| Male | 52 (51.0) | 50 (49.0) | 1.000 | |
| Female | 4 (21.1) | 15 (78.9) | 1.201 (1.064-1.356) | |
| Trauma | 0.735 | |||
| Penetrating | 9 (50.0) | 9 (50.0) | 1.000 | |
| Blunt | 47 (45.6) | 56 (54.4) | 1.029 (0.872-1.215) | |
| ICU | < 0.001 | |||
| Yes | 1 (5.9) | 16 (94.1) | 1.319 (1.210-1.439) | |
| No | 55 (52.9) | 49 (47.1) | 1.000 | |
| O2 | < 0.001 | |||
| Yes | 9 (24.3) | 28 (75.7) | 1.220 (1.095-1.358) | |
| No | 47 (56.0) | 37 (44.0) | 1.000 | |
| MV | < 0.001 | |||
| Yes | 0 (0.0) | 7 (100.0) | 1.326 (1.247-1.409) | |
| No | 56 (49.1) | 58 (50.9) | 1.000 | |
| TTSS# | 3.0 (2.0-5.0) | 4.0 (2.5-6.0) | 1.018 (0.995-1.041) | 0.129 |
| ISS# | 4.0 (0.0-9.0) | 9.0 (0.0-10.0) | 1.009 (1.002-1.017) | 0.019 |
| Rib fractures | ||||
| 0 | 33 (47.1) | 37 (52.9) | 1.000 | |
| 1 | 14 (45.2) | 17 (54.8) | 1.013 (0.884-1.161) | 0.853 |
| 2 | 7 (46.7) | 8 (53.3) | 1.003 (0.837-1.203) | 0.973 |
| 3 | 2 (40.0) | 3 (60.0) | 1.047 (0.792-1.384) | 0.748 |
| Lung contusion | ||||
| 0 | 50 (49.0) | 52 (51.0) | 1.000 | |
| 1 | 5 (35.7) | 9 (64.3) | 1.088 (0.922-1.284) | 0.318 |
| 2 | 1 (20.0) | 4 (80.0) | 1.192 (0.971-1.454) | 0.093 |
| Pleural | ||||
| 0 | 40 (52.6) | 36 (47.4) | 1.000 | |
| 1 | 11 (52.4) | 10 (47.6) | 1.002 (0.851-1.180) | 0.984 |
| 2 | 4 (18.2) | 18 (81.8) | 1.234 (1.098-1.387) | < 0.001 |
| 3 | 1 (50.0) | 1 (50.0) | 1.018 (0.637-1.626) | 0.941 |
| Age (years) | ||||
| 0 | 6 (31.6) | 13 (68.4) | 1.000 | |
| 1 | 13 (48.1) | 14 (51.9) | 0.902 (0.756-1.075) | 0.247 |
| 3 | 33 (55.0) | 27 (45.0) | 0.861 (0.740-1.002) | 0.053 |
| 5 | 4 (26.7) | 11 (73.3) | 1.029 (0.860-1.231) | 0.753 |
| PaO2/FiO2 | ||||
| 0 | 55 (48.7) | 58 (51.3) | 1.000 | |
| 1 | 1 (20.0) | 4 (80.0) | 1.189 (0.970-1.459) | 0.096 |
| 2 | 0 (0.0) | 2 (100.0) | 1.322 (1.233-1.405) | < 0.001 |
| 3 | 0 (0.0) | 1 (100.0) | 1.322 (1.244-1.405) | < 0.001 |
#
median (interquartile range).
LOS: Length of stay. PR: Prevalence ratio. CI: confidence interval. ISS: Injury Severity Score. TTSS: Thoracic Trauma Severity Score. MV: mechanical ventilation. O2: oxygen therapy. ICU: intensive care unit.