LOS and mortality rates in patients stratified by the ISS
| Variable | ISS | BAC− N=1399 | BAC+ N=793 | p Value | |
|---|---|---|---|---|---|
| Ward | |||||
| n (%) | <16 | 848 (60.6) | 539 (68.0) | 0.001 | |
| 16–24 | 366 (26.2) | 175 (22.0) | 0.033 | ||
| ≥25 | 185 (13.2) | 79 (10.0) | 0.024 | ||
| LOS (days) | <16 | 11.4±10.5 | 8.6±7.6 | 0.000 | |
| 16–24 | 13.0±11.5 | 14.8±12 | 0.182 | ||
| ≥25 | 19.8±22.5 | 21.1±16 | 0.652 | ||
| ICU | |||||
| n (%) | <16 | 166 (11.9) | 76 (9.6) | 0.009 | |
| 16–24 | 237 (16.9) | 115 (14.5) | 0.827 | ||
| ≥25 | 149 (10.7) | 72 (9.1) | 0.033 | ||
| LICUS (days) | <16 | 5.8±7.4 | 4.5±3.5 | 0.110 | |
| 16–24 | 7.5±7.3 | 6.7±8.0 | 0.587 | ||
| ≥25 | 13.3±20.2 | 12.8±13.3 | 0.500 | ||
| Mortality | |||||
| n (%) | <16 | 6 | (0.4) | 2 (0.3) | 0.510 |
| 16–24 | 17 | (1.2) | 7 (0.9) | 0.472 | |
| ≥25 | 42 | (3.0) | 20 (2.5) | 0.515 | |
BAC, blood alcohol concentration; ICU, intensive care unit; ISS, Injury Severity Score; LICUS, length of ICU stay; LOS, length of hospital stay.