GCS and injury-related characteristics of the patients who had and had not undergone an alcohol test as well as of the patients with positive and negative BAC
| Patients who did not have a BAC test vs patients who had undergone a BAC Test | |||
|---|---|---|---|
| Variables | No BAC test N=11 041 | BAC test N=2192 | p Value |
| GCS, n (%) | 14.7±1.4 | 12.7±3.8 | 0.000 |
| ≤8 | 186 (1.7) | 378 (17.2) | 0.000 |
| 9–12 | 211 (1.9) | 247 (11.3) | 0.000 |
| ≥13 | 10 644 (96.4) | 1567 (71.5) | 0.000 |
| AIS, n (%) | |||
| Head/neck | 1981 (17.9) | 1241 (56.6) | 0.000 |
| Face | 1312 (11.9) | 767 (35.0) | 0.000 |
| Thorax | 989 (9.0) | 442 (20.2) | 0.000 |
| Abdomen | 542 (4.9) | 282 (12.9) | 0.000 |
| Extremity | 8235 (74.6) | 1292 (58.9) | 0.000 |
| ISS | 7.1±5.5 | 13.2±10.0 | 0.000 |
| NISS | 7.9±6.2 | 15.0±11.1 | 0.000 |
| TRISS | 0.97±0.08 | 0.92±0.18 | 0.000 |
| Mortality, n (%) | 107 (1.0) | 94 (4.3) | 0.000 |
| Variable | BAC− N=1399 | BAC+ N=793 | p Value |
|---|---|---|---|
| GCS, n (%) | 12.8±3.7 | 12.4±3.8 | 0.020 |
| ≤8 | 231 (16.5) | 147 (18.5) | 0.228 |
| 9–12 | 141 (10.1) | 106 (13.4) | 0.019 |
| ≥13 | 1027 (73.4) | 540 (68.1) | 0.008 |
| AIS, n (%) | |||
| Head/neck | 823 (58.8) | 418 (52.7) | 0.005 |
| Face | 446 (31.9) | 321 (40.5) | 0.000 |
| Thorax | 283 (20.2) | 159 (20.1) | 0.920 |
| Abdomen | 184 (13.2) | 98 (12.4) | 0.594 |
| Extremity | 826 (59) | 467 (58.9) | 0.945 |
| ISS | 13.7±10.0 | 12.1±10.0 | 0.000 |
| TRISS | 0.92±0.18 | 0.93±0.17 | 0.236 |
| NISS | 15.7±11.0 | 13.8±11.0 | 0.000 |
| Mortality, n (%) | 65 (4.6) | 29 (3.7) | 0.272 |
| AIS-head/neck | ||||
|---|---|---|---|---|
| ISS | BAC− N=823 | BAC+ N=418 | p Value | |
| n (%) | <16 | 345 (41.9) | 201 (48.1) | 0.039 |
| 16–24 | 316 (38.4) | 152 (36.4) | 0.485 | |
| ≥25 | 162 (19.7) | 65 (15.5) | 0.075 | |
| GCS | total | 11.6±4.2 | 10.9±4.3 | 0.004 |
| <16 | 13.3±3.1 | 12.2±3.6 | 0.001 | |
| 16–24 | 11.5±4.1 | 10.8±4.0 | 0.079 | |
| ≥25 | 8.3±4.7 | 6.7±4.5 | 0.023 | |
AIS, Abbreviated Injury Scale; BAC, blood alcohol concentration; GCS, Glasgow Coma Scale; ISS, Injury Severity Score; NISS, New Injury Severity Score; TRISS, Trauma- Injury Severity Score.