Table 1.

Grading system for bleeding in surgical field Boezaart et al. [10]

Grades	Surgical field
I	Cadaveric conditions with minimal suction required
II	Minimal bleeding with infrequent suction required
III	Brisk bleeding with frequent suction required
IV	Bleeding covers surgical field after removal of suction before surgical instrument can perform manoeuvre
V	Uncontrolled bleeding