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Table 1 Characteristics of the included studies

From: Meta-analysis of AKI to CKD transition in perioperative patients

Study author

Sample Size

Definition of AKI

Definition of CKD

Population

Perioperative

Helgason et al. 2018

10885

KDIGO criteria

KDIGO 2012 CKD guidelines

Coronary angiography

No

Brown et al. 2016

24405

KDOQI guidelines

KDOQI guidelines

Cardiac catheterization

No

Chawla et al. 2011

11589

ICD9 codes

CKD stage 4 or higher

Pneumonia or MI

No

James et al. 2010b

920985

ICD9 codes

ESRD or doubling of serum Cr

Mixed medical etiologies

No

Ando et al. 2010

158

≥2x increase in serum Cr

KDOQI guidelines

Myeloablative allogeneic hematopoietic cell transplantation

No

James et al. 2010a

11249

Percent increase in serum creatinine

MDRD

Coronary angiography

No

Weiss et al. 2006

122

Percent decrease in GFR

Percent decrease in GFR > 25%

Non-myeloablative hematopoietic cell transplantation

No

Wu et al. 2017

1363

KDIGO criteria

KDIGO criteria

Cardiac surgery

Yes

Palomba et al. 2017

350

AKIN criteria

eGFR < 60 mL/min

Cardiac surgery

Yes

Thalji et al. 2017

18155

ICD9 codes

ICD9 codes

Burns

Yes

Legouis et al. 2017

4791

KDIGO criteria

eGFR < 60 mL/min

Cardiac surgery

Yes

Chew et al. 2017

3008

AKIN criteria

CKD stage 5

Cardiac surgery

Yes

Helgadottir et al. 2016

1754

KDIGO criteria

KDOQI guidelines

CABG

Yes

Arora et al. 2015

717

AKIN criteria

KDOQI guidelines

Endovascular or open surgical revascularization of lower extremities

Yes

Xu et al. 2015

3245

KDIGO criteria

KDIGO criteria

Cardiac surgery

Yes

Rydén et al. 2014

29330

AKIN criteria

Start of renal replacement therapy

CABG

Yes

Ishani et al. 2011

29330

AKIN criteria

Start of renal replacement therapy

CABG

Yes