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Table 4 Data variables

From: A study protocol for improving the delivery of acute kidney replacement therapy (KRT) to critically ill patients in Alberta – DIALYZING WISELY

Data Variable

Description

ICU location

admission ICU

Age

years

Sex:

M/F

Weight

kg

Date of Hospital Admission

dd/mm/yyyy

Date of ICU Admission (dd/mm/yyyy):

dd/mm/yyyy

Admission class

med/surg/neuro/trauma

ICU discharge location

unit/hospital

ICU Admission Diagnosis – cardiovascular, respiratory, gastrointestinal, genitourinary/renal, endocrinological/metabolic, neurological, trauma, burn, sepsis, surgery

yes/no

Co-morbidities – AIDS, chronic RRT, chronic heart failure, respiratory insufficiency, cirrhosis, diabetes mellitus, hepatic failure, immune suppression, leukemia, lymphoma, metastatic cancer, coronary artery disease

yes/no

Clinical Frailty Scale

number

APACHE II Score

number

SOFA score

number

Invasive/non-invasive ventilation

hrs/min

Vasopressors (include type)

hrs/min

CRRT/IHD/SLED

hrs/min

Cumulative daily fluid balance prior to RRT

mls

Creatinine, urea, pH, bicarbonate, potassium on day of RRT initiation

result

Renal Recovery at ICU Discharge

y/n - IHD

Renal Recovery at Hospital Discharge

y/n – IHD/PD

Renal Recovery at 6 Months

y/n - IHD/PD

ICU Mortality

A/D

Hospital Mortality

A/D

6-month Mortality

A/D

ICU length of Stay

days

Hospital Length of Stay

days

Number of admissions to site

aggregate

Patient days

aggregate

Ventilator days

aggregate

RRT days

Days CRRT/IHD/SLED

CRRT and IRRT data - filter life, reasons for retiring filters, treatment time lost, prescription/dose, machine alarms, machine down times, type of coagulation, blood flow rates, filtration fraction, adverse events, solute clearance, ultrafiltration realized

aggregate

Economic data - cost of filters, fluids, anticoagulation medications, RRT catheters, patient life-years gained, quality of life adjusted years (QUALY), re-hospitalizations, recurrence/chronic RRT, health care provider related costs

aggregate

QOL and PROMs

aggregate