Table 2 Kelly criteria for CSF rhinorrhoea
CSF leakage classification | Description |
|---|---|
Grade 0 | No CSF rhinorrhoea, confirmed by Valsalva manoeuvre |
Grade 1 | CSF rhinorrhoea as small as teardrops, confirmed by Valsalva manoeuvre |
Grade 2 | Moderate CSF rhinorrhoea with obvious saddle septum defect |
Grade 3 | Major CSF rhinorrhoea, large saddle septal defect |