| | Radiographic lumbar instability |
---|
| | Positive | Negative |
---|
Interspinous gap change | Positive | 37 | 11 |
Negative | 8 | 17 |
- The sensitivity, specificity, positive predictive value, and negative predictive value of the test were 82.2%, 60.7%, 77.1%, and 68.0%, respectively.