Patients’ demographic summary
| n | % | |
| Gender | ||
| Female | 6 | 7.1 |
| Male | 78 | 92.9 |
| Injury type | ||
| Blunt | 58 | 69.1 |
| Penetrating | 26 | 31.0 |
| Arrival mode | ||
| Ground transport | 48 | 57.1 |
| Air transport | 36 | 42.9 |
| Tube thoracostomy | ||
| Yes | 68 | 81.0 |
| No | 16 | 19.1 |
| CT findings | ||
| Proper insertion* | 23 | 27.4 |
| Improper insertion | 61 | 72.6 |
| Location of improper insertion | ||
| Spleen | 1 | 1.6† |
| Liver | 2 | 3.3† |
| Subdiaphragmatic | 2 | 3.3† |
| Subcutaneous extrathoracic | 55 | 90.2† |
| Anterior mediastinum | 1 | 1.6† |
| Hospital discharge | ||
| Alive | 71 | 84.5 |
| Dead | 13 | 15.5 |
| Age | 38.6±16.04 | |
| ICU LOS | 5 (2, 10.5) | |
| Hospital LOS | 7 (3, 16) | |
| BMI | 29.09±5.36 | |
| ISS | 28.69±10.69 | |
*Proper insertion is defined as insertion of thoracostomy needle into the pleural cavity.
†Percentage was calculated using the denominator of 61 improper insertions.
BMI, body mass index; ICU, intensive care unit; ISS, Injury Severity Score; LOS, length of stay.