Danish translation and cultural adaptation of the Psoriatic arthritis UnclutteRed screening Evaluation (PURE-4) scale.

Objectives: Screening tools are needed to help to identify psoriatic arthritis in patients with psoriasis. The Psoriatic arthritis UnclutteRed screening Evaluation (PURE-4) questionnaire was developed for this purpose and has been shown to perform very well. The aim of this study was to translate and culturally adapt the PURE-4 scale into the Danish language.

Procalcitonin increase in early identification of critically ill patients at high risk of mortality.

Objective: To investigate day-by-day changes in procalcitonin and maximum obtained levels as predictors of mortality in critically ill patients.

Design: Prospective observational cohort study.

Setting: : Multidisciplinary intensive care unit at Rigshospitalet, Copenhagen University Hospital, a tertiary reference hospital in Denmark.