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Sensitivity of CT and MRI for Clinically Unstable Injuries
| Clinically Unstable Injury | Clinically Stable or No Injury | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
| ||||||||||
| Number | Percentage | Number | Percentage | Sensitivity | Specificity | PPV | NPV | |||
| CT | ||||||||||
| Positive | 3 | 11% | 25 | 89% | CT | 100% | 77% | 11% | 100% | |
| Negative | 0 | 0% | 83 | 100% | ||||||
|
| ||||||||||
| MRI | ||||||||||
| Positive | 3 | 8% | 35 | 92% | MRI | 100% | 87% | 8% | 100% | |
| Negative | 0 | 0% | 231 | 100% | ||||||
Diagnostic characteristics of cervical spine CT and MRI for the detection of clinically unstable injuries (i.e., requiring surgery or halo fixation).
