Chart 1.

Clinical characteristics observed in HC and PG groups

Observation criteria		HC	PG
Patient compliance		Easier to be known in different UBS and easy to self-apply.	Predicted resistance for new products and difficulty of self-application.
Changing time		4 days	4 days
Ease of handling (application and removal)		Higher. The removal is easy, however it requires a discreet traction.	Lower. More fragile and slippery in application, however the removal done is only of the gauze, because the dressing is totally absorbed.
Appearance of ulcer	Margins	Causes maceration	In good conditions
	Exudate	With sui generis odor, unpleasant, referred by the patient.	The exudate of the primary dressing gets a reddish-brown appearance, with a discreet odor not mentioned by the patient.
Storage		Room temperature	Refrigerator 4ºC

HC-Hydrocolloid; PG - Platelet gel