Table 2 Summary of baseline data collection for the randomised controlled trial

Demographics/social

Age, sex, ethnicity, marital status, education level, smoking history

Clinical

Primary renal disease, date first seen by a nephrologist, renal replacement therapy history, co-morbidities, prescribed medication (including erythropoiesis-stimulating agents and phosphate binders), 24-h urine volume (within the 6 weeks preceding randomisation)

Resource use

Day case and inpatient hospital admissions (including surgical procedures), nursing home/residential home days/hospice days, other hospital out-patient services, and primary care and community services in the last 6 months

Laboratory

Creatinine, urea, Kt/V, urea reduction ratio, albumin, haemoglobin, haematocrit, mean corpuscular volume, sodium, potassium, bicarbonate, corrected calcium, phosphate, C-reactive protein, intact parathyroid hormone, total cholesterol (from the date of the study visit or the closest date prior to the study visit)

Physical assessment

Height, weight, blood pressure, heart rate

Patient reported

EQ-5D-5L, Dialysis Symptom Index and time to recovery [31]