Table 2:
comparison of results between cohorts
| Characteristic | Total cohort | Major hepatic arterial injury | P | |
|---|---|---|---|---|
| Yes | No | |||
| Auto-LPDI | ||||
| n (%) | 73 | 41 | 32 | < 0.001 |
| mean ± SD | 7.73 ± 8.84 | 11.01 ± 9.98 | 3.53 ± 4.51 | |
| median [Q1 – Q3] | 4.01 [1.00 – 12.05] | 10.47 [2.62 – 17.36] | 1.36 [0.59 – 5.11] | |
| range (min, max) | 0– 37.79 | 0.07 – 37.79 | 0 – 17.58 | |
| CE vol (mL) | ||||
| n (%) | 73 | 41 | 32 | < 0.001 |
| Mean ± SD | 1.01 ± 3.16 | 1.78 ± 4.07 | 0.03 ± 0.10 | |
| median [Q1 – Q3] | 0 [0 – 0.37] | 0.07 [0 – 2.00] | 0 [0 – 0] | |
| range (min, max) | 0 – 21.4 | 0 – 21.4 | 0 – 0.43 | |
| Subcapsular hematoma vol (mL) – n (%)* | ||||
| 0 | 70 (96) | 38 (93) | 32 (100) | 0.12 |
| 9.70 | 1 (1) | 1 (2) | 0 (0) | |
| 49.7 | 1 (1) | 1 (2) | 0 (0) | |
| 290.5 | 1 (1) | 1 (2) | 0 (0) | |
| Total | 73 | 41 | 32 | |
| Hepatic AAST grade – n (%) | ||||
| 1 | 0 (0) | 0 (0) | 0 (0) | 0.080 |
| 2 | 6 (8) | 1 (2) | 5 (16) | |
| 3 | 24 (33) | 13 (32) | 11 (35) | |
| 4 | 39 (53) | 25 (34) | 14 (45) | |
| 5 | 3 (4) | 2 (5) | 1 (3) | |
| Total | 72** | 41 | 31** | |
| CE (binary) – n (%) | ||||
| Present | 26 (36) | 22 (54) | 4 (13) | < 0.001 |
| Absent | 47 (64) | 19 (46) | 28 (87) | |
Note.— values are mean +/− SD
Significant p-values are in bold
*
only three patients had measurable subcapsular hematoma. Patients are discretized by volumes (0, 9.7, 49.7, 290.5 mL) and presented as number (%)
**
One case was not assigned a hepatic AAST grade
Abbreviations: AE- angioembolization, LPDI- liver parenchymal disruption index, CE- contrast extravasation, AAST - American Association for the Surgery of Trauma