Description of questionnaires
| Measure | Description |
| Kidney Disease Quality of life-36 (KDQOL-36) | A 36-item health-related quality of life (HRQoL) measure designed for patients undergoing dialysis, derived from the KDQOL-SF. Three specific dimensions: (1) signs and symptoms, (2) burden of kidney disease and (3) effects of kidney disease and a generic core derived from the SF-12 (physical and mental scales). Overall scores range from 0 to 100, with higher scores indicating better HRQoL52–55 |
| Kidney Disease Quality of life-SF (KDQOL-SF) | An 80-item HRQoL measure designed for patients undergoing dialysis which includes the SF-36 as a generic core (physical and mental scales) supplemented with eight kidney disease-targeted dimensions and three additional QoL dimensions. Scores range from 0 to 100 for each dimension with higher scores indicating better HRQoL52 56 57 |
| Integrated Patient Outcome Scale-Renal (IPOS-Renal) | IPOS-Renal is a short measure (11 questions), combining the most common symptoms renal patients experience plus additional items from IPOS on concerns beyond symptoms, such as information needs, practical issues, family anxiety33 |