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The predictive power of the optic nerve sheath diameter for differentiating provoked seizure from unprovoked seizure.
| Provoked Seizure | Unprovoked Seizure | Sensitivity (95% CI) | Specificity (95% CI) | Accuracy | PPV | NPV | |
|---|---|---|---|---|---|---|---|
| Optic nerve sheath diameter | |||||||
| High (>5.61 mm) (n=107) | 83 (86.5) | 24 (21.1) | 86.5% (78.0-92.6) | 78.9% (70.3-86.0) | 82.4% | 77.6% | 87.4% |
| Low (≤5.61 mm) (n=103) | 13 (13.5) | 90 (78.9) |
Data are n (%).
