Research Article
Emergency Ultrasound Predicting the Need for Therapeutic Laparotomy among Blunt Abdominal Trauma Patients in a Sub-Saharan African Hospital
Table 2
Laparotomy predictions at selected cutoffs.
| SSORTT score | Standard of care | Sensitivity | Specificity | PPV (%) | NPV (%) | Laparotomy | No laparotomy |
| Score cutoffs | | | | | | | At 0 | | | | | | | Laparotomy | 19 | 30 | | | | | No laparotomy | 2 | 142 | 91 | 82 | 39 | 99 | ≥1 | | | | | | | Laparotomy | 19 | 17 | | | | | No laparotomy | 2 | 155 | 90 | 90 | 53 | 99 | ≥2 | | | | | | | Laparotomy | 18 | 16 | | | | | No laparotomy | 3 | 156 | 86 | 91 | 53 | 98 | ≥3 | | | | | | | Laparotomy | 14 | 4 | | | | | No laparotomy | 8 | 168 | 67 | 98 | 78 | 96 | ≥4 | | | | | | | Laparotomy | 8 | 1 | | | | | No laparotomy | 14 | 171 | 38 | 99 | 89 | 93 | ≥5 | | | | | | | Laparotomy | 5 | 0 | | | | | No laparotomy | 17 | 172 | 24 | 100 | 100 | 91 | At 6 | | | | | | | Laparotomy | 0 | 0 | | | | | No laparotomy | 22 | 172 | 0 | 100 | 0 | 87 |
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