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Table 2 Primary and secondary outcomes, data sources and timeline for measurements

From: Remote follow-up using patient-reported outcome measures in patients with chronic kidney disease: the PROKID study – study protocol for a non-inferiority pragmatic randomised controlled trial

Outcomes Data source Measurement/month
Clinical outcomes
 Renal function (eGFR) Electronic health record (EHR) 0,3,6,9,12,15,18
 Mortality Electronic health record (EHR) 6,12,18
 Initiation of dialysis Electronic health record (EHR) 6,12,18
 Transplantation Electronic health record (EHR) 6, 12,18
 Hospitalisation Electronic health record (EHR) 16,12,18
 CKD biomarkers Electronic health record (EHR) 0,3,6,9,12,15,18
Resource utilisation
 Number of face-to-face visits Electronic health record (EHR) 6,12,18
 Unexpected contacts Electronic health record (EHR) 6,12,18
 Phone contacts Electronic health record (EHR) 6,12,18
Patient-reported outcomes
 Quality of life Euroqol (EQ-5D 5 L) 0,6,12,18
 General health Short Form-36 (SF-36) 0,6,12,18
 Illness perception Brief Illness Perception (IPQ-B) 0,6,12,18
 Self-efficacy General Self-efficacy (GSE) 0,12,18
 Patient involvement AmbuFlex PRO questionnaire 6,12,18
 Confidence, satisfaction AmbuFlex PRO questionnaire 6,12,18