Follow-up questions

What type of study is described in the article by Källman et al.?

Some changes were made in the data protocol over the last 10 years. What were these changes?

The authors present PU prevalence both with and without pressure ulcers category 1. How much difference did it make in the prevalence figures in 2020?

The authors state in the discussion that it would have been interesting to compare outcomes in different care settings. Why was the study not performed in different care settings?