TABLE 1.
Wormald Surgical Field Grading scale15
| Grade | Assessment |
|---|---|
| 0 | No bleeding |
| 1 | 1–2 points of ooze |
| 2 | 3–4 points of ooze |
| 3 | 5–6 points of ooze |
| 4 | 7–8 points of ooze |
| 5 | 9–10 points of ooze (sphenoid fills in 60 seconds) |
| 6 | >10 points of ooze, obscuring surface (sphenoid fills in 50 seconds) |
| 7 | Mild bleeding/oozing from entire surgical surface with slow accumulation of blood in the postnasal space (sphenoid fills by 40 seconds) |
| 8 | Moderate bleeding from entire surgical surface with moderate accumulation of blood in the postnasal space (sphenoid fills by 30 seconds) |
| 9 | Moderately severe bleeding with rapid accumulation of blood in the postnasal space (sphenoid fills by 20 seconds) |
| 10 | Severe bleeding with nasal cavity filling rapidly (sphenoid fills in <10 seconds) |