From: What are the important surgical factors affecting the wound healing after primary total knee arthroplasty?
Hollander Wound Evaluation Score (HWES)
1. Step-off borders
2. Contour irregularity—puckering
3. Scar width—greater than 2 mm
4. Edge inversion—sinking, curling
5. Inflammation—redness, discharge
6. Overall cosmesis
6/6 optional wound healing