Which of these scoring systems is helpful in assessing severity of wound infection and is used for research and surveillance?

- Commonly using grading system: Southampton grading scale Asepsis score Southampton Wound Grading System 0: Normal healing Ia: Some bruising Ib: Considerable brusing Ic: Mild erythema I: Normal healing with mild bruising or erythema IIa: At one point IIb: Around sutures IIc: Along wound IId: Around wound II: Erythema plus other signs of inflammation IIIa: At one point only (<2cm) IIIb: Along wound (> 2 cm) IIIc: Large volume IIId: prolonged (>3 days) IV: Pus IVa: At one point only (<2 cm) IVb: Along wound (>2cm)