Psychometric evaluation of the multidimensional Uraemic Pruritus in Dialysis patients (UP-Dial) scale: comparison of haemodialysis and peritoneal dialysis patients with chronic pruritus

The findings reaffirm good measurement properties of the UP-Dial 14-item scale in haemodialysis and peritoneal dialysis patients with chronic pruritus. These suggest a transferability of the UP-Dial as a PRO measure in clinical trial and practice settings.