Likelihood ratios of detecting nerve root avulsions using different imaging predictors
| Predictors of Nerve Root Avulsion | Findings on Imaging | Likelihood Ratio | ||
|---|---|---|---|---|
| CT | MRI | CT and MRI | ||
| Pseudomeningoceles with absent rootlets | A | 17 | 22.7 | 22.7 |
| Any pseudomeningocele | A and B | 18 | 22.7 | 22.7 |
| Any pseudomeningocele or any absent rootlets | A, B, and C | 18 | 13.6 | 13.6 |
| Any pseudomeningocele or any rootlet abnormality | A, B, C, D, and E | 3.7 | 5.4 | 5.4 |