15th February 2024

A new dressing with silver colloid was developed to aid in healing chronic venous ulcers.

A new dressing with silver colloid was developed to aid in healing chronic venous ulcers. Researchers have developed a study where half of the participants received the new dressing while the other half received standard care. The time to ulcer resolution was recorded in both groups. The data in both groups were right-skewed. 

Which statistical test is most appropriate to identify a significant difference between the two groups?