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Table 2 Possible outcome measures for use in tracking episodes of AKI

From: Establishing a continuum of acute kidney injury – tracing AKI using data source linkage and long-term follow-up: Workgroup Statements from the 15th ADQI Consensus Conference

  Entity resolution Initial encounter Subsequent encounters
Kidney Health Overall health Kidney Health Overall health
Population Name
Unique identifier
Gender
Date of birth
AKI detection results/tag.
Serum creatinine measurements (baseline, during AKI and recovery).
ICD codes
Comorbidities
Complications
Resource utilization e.g. length of stay, critical care admission.
All subsequent AKI episodes, stages and timing.
eGFR.
Albuminuria.
CKD stage.
Need for RRT.
Re-hospitalization.
New diagnoses, ICD codes: CV events, cancer, infection, fracture, MAKE, MARCE.
Time and cause of death.
Patient Name
Unique identifier
Sex
Date of birth
AKI detection results/tag
AKI stage, duration and setting
AKI etiology
Need for acute RRT
Nephrology consult
Setting of AKI, exposures and co-existing illness.
Blood pressure.
Procedures.
eGFR.
Albuminuria.
CKD stage.
Need for RRT.
Blood pressure.
Comorbidities.
Complications.
Quality of life/dependency.
Management Name
Unique identifier
Gender
Date of birth
Treatment given for AKI.
AKI follow up plans.
Medications.
Discharge quality indicators.
Education (including patient).
Medications (including those stopped/temporarily suspended).
Frailty measures. Patient reported outcomes and symptoms.
CKD care.
Secondary prevention of AKI episodes.
Medications.
Functional recovery.
Cardiovascular risk.
Frailty measures.
Patient reported outcomes and symptoms.
Research   Biomarkers. Specific therapies.
Improved methods of capturing patient reported data.
Therapies to facilitate recovery.
Use of biomarkers to predict risk/recovery.
Therapies to improve systemic outcomes.
  1. AKI acute kidney injury, ICD International Classification of Diseases, eGFR estimated glomerular filtration rate, CKD chronic kidney disease, RRT renal replacement therapy, MAKE major adverse kidney events, MARCE major adverse renal and cardiovascular events