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Table 3 Quality assessment of animal intervention studies by SYRCLE

From: Administration of mesenchymal stem cells in diabetic kidney disease: a systematic review and meta-analysis

 

Study

PMID

Sequence generation

Baseline characteristics

Allocation concealment

Random housing

Researchers blinding

Random outcome assessment

Outcome assessors blinding

Complete outcome data

Outcome reporting

Other source of bias

1

Ezquer, 2008

18,489,988

Yes

Yes

Unclear

Unclear

Unclear

Unclear

Unclear

Unclear

Yes

Yes

2

Ezquer, 2008

19,822,294

Yes

Yes

Unclear

Unclear

Unclear

Unclear

Unclear

Unclear

Yes

Yes

3

Zhou, 2009

19,951,572

Unclear

Yes

Unclear

Yes

Unclear

Unclear

Unclear

Unclear

Yes

Yes

4

Zhou, 2009

20,067,112

Yes

Unclear

Unclear

Unclear

No

Unclear

Unclear

Unclear

Yes

Yes

5

Fang, 2012

22,552,764

Yes

Unclear

Unclear

Yes

No

Unclear

Unclear

Unclear

Yes

Yes

6

Park, 2012

22,564,642

Yes

Unclear

Unclear

Unclear

No

Unclear

Unclear

Unclear

Yes

Yes

7

Park, 2012

23,026,513

Yes

Unclear

Unclear

Yes

No

Unclear

Unclear

Unclear

Yes

Yes

8

Wang, 2013

23,295,166

Yes

Yes

Unclear

Yes

Unclear

Unclear

Unclear

Yes

Yes

Yes

9

Zhang, 2013

23,762,850

Yes

Yes

Unclear

Yes

No

Unclear

Unclear

Unclear

Yes

Yes

10

Lv, 2013

23,791,972

Yes

Yes

Unclear

Yes

No

Unclear

Unclear

Unclear

Yes

Yes

11

Lv, 2013

24,513,119

Unclear

Unclear

Unclear

Yes

Unclear

Unclear

Unclear

Unclear

Yes

Yes

12

Abdel Aziz, 2014

24,606,996

Unclear

Yes

Unclear

Yes

Unclear

Unclear

Unclear

Unclear

Yes

Yes

13

Lv, 2015

24,845,071

Yes

Yes

Unclear

Yes

Unclear

Unclear

Unclear

Unclear

Yes

Yes

14

Lang, 2016

27,018,336

Yes

Yes

Unclear

Unclear

Unclear

Unclear

Unclear

Yes

Yes

Yes

15

Nagaishi, 2016

27,721,418

No

Yes

Unclear

Yes

Unclear

Unclear

Unclear

Unclear

Yes

Yes

16

Nagaishi, 2016

27,721,418

No

Yes

Unclear

Yes

Unclear

Unclear

Unclear

Unclear

Yes

Yes

17

Hamza, 2016

27,774,826

No

Unclear

Unclear

Unclear

No

Unclear

Unclear

Unclear

Yes

Yes

18

Nagaishi, 2016

28,814,814

Unclear

Yes

Unclear

Unclear

Unclear

Unclear

Unclear

Unclear

Yes

Yes

19

Nagaishi, 2016

28,814,814

Unclear

Yes

Unclear

Unclear

Unclear

Unclear

Unclear

Unclear

Yes

Yes

20

Nagaishi, 2016

28,814,814

Unclear

Yes

Unclear

Unclear

Unclear

Unclear

Unclear

Unclear

Yes

Yes

21

Rashed, 2018

29,425,466

Yes

Yes

Unclear

Yes

Unclear

Unclear

Unclear

Unclear

Yes

Yes

22

Li, 2018

29,484,379

Yes

Yes

Unclear

Yes

Unclear

Unclear

Unclear

Yes

Yes

Yes

23

Bai, 2019

31,023,998

Yes

Yes

Unclear

Unclear

Unclear

Unclear

Unclear

Yes

Yes

Yes

24

Xian, 2019

31,150,720

Yes

Yes

Unclear

Yes

Unclear

Unclear

Unclear

Yes

Yes

Yes

25

Cai, 2019

31,190,436

Yes

Yes

Unclear

Yes

Unclear

Unclear

Unclear

Unclear

Yes

Yes

26

Lee, 2019

31,285,429

Unclear

Unclear

Unclear

Unclear

Unclear

Unclear

Unclear

Unclear

No

Yes

27

Takemura, 2019

31,622,047

Unclear

Unclear

Unclear

Unclear

Unclear

Unclear

Unclear

Unclear

Yes

Yes

28

Takemura, 2019

31,622,047

Unclear

Unclear

Unclear

Unclear

Unclear

Unclear

Unclear

Unclear

Yes

Yes

29

Yu, 2019

31,747,961

Yes

Yes

Unclear

Yes

Yes

Unclear

Unclear

Unclear

Yes

Yes

30

An, 2019

31,791,397

Yes

Yes

Unclear

Yes

Unclear

Unclear

Unclear

Yes

Yes

Yes

31

Rao, 2019

31,871,464

Yes

Yes

Unclear

Yes

Unclear

Unclear

Unclear

Unclear

Yes

Yes

32

Rao, 2019

31,871,464

Yes

Yes

Unclear

Yes

Unclear

Unclear

Unclear

Unclear

Yes

Yes