Presence of ≥ 1 0f 7 criteria (antegrade memory deficit, intoxication, trauma, >60 y of age, seizure headache, and vomiting) to identify abnormal CT in patients with minor head injury*
| Injury | Sensitivity (95% CI) | Specificity (CI) | +LR | −LR |
|---|---|---|---|---|
| *LRs defined in glossary and calculated from date in article. | ||||
| All injuries | 100% (95 to 100) | 25% (22 to 28) | 1.3 | 0 |