Binary classification parameters for the ability of FAST to predict the need for T-LAP in injured patients with hypotension
| Blunt | Penetrating | All | |
| Sensitivity (%) | 64 | 56 | 62 |
| Specificity (%) | 85 | 77 | 83 |
| Positive predictive value (%) | 71 | 66 | 69 |
| Negative predictive value (%) | 80 | 69 | 77 |
| Accuracy (%) | 77 | 68 | 75 |
FAST, focused assessment with sonography for trauma; T-LAP, therapeutic laparotomy.