Study ID

Non-comparative

Comparative

Total Score

Study design

MINORS criteria

Clearly stated aim

Inclusion of consecutive patients

Prospective Data Collection

Endpoints appropriate to study aim

Unbiased assessment of study endpoint

Follow-up period appropriate to study aim

<5% lost to follow-up

Prospective calculation of study size

Adequate control group

Contemporary groups

Baseline equivalence of groups

Adequate statistical analyses

Quantitative Analysis

Angarita 2011 [26]

2

2

2

2

0

2

2

1

13/16

Retrospective cohort

Avashia 2013 [27]

2

2

1

2

0

2

2

1

12/16

Retrospective cohort

Bowen 2017 [28]

2

2

2

2

0

2

2

2

14/16

Retrospective cohort

Cabaluna 2013 [29]

2

2

2

2

2

2

2

2

2

2

2

2

24/24

RCT

Chung 2015 [30]

2

2

1

2

0

2

2

2

13/16

Retrospective cohort

Clayton 2012 [31]

2

2

1

2

0

1

2

2

12/16

Retrospective

cohort

Crawford 2016 [32]

2

2

2

2

0

2

2

2

14/16

Retrospective cohort

Davis 2013 [33]

2

2

2

2

0

2

2

2

14/16

Retrospective cohort

Decker 2012 [34]

2

2

2

2

0

2

2

2

14/16

Prospective cohort

Degnim 2013 [35]

2

2

2

2

2

2

2

2

2

2

2

2

24/24

RCT

Degnim 2014 [36]

2

2

2

2

2

2

2

2

2

2

2

2

24/24

RCT

Dikmans 2017 [37]

2

2

2

1

2

2

2

2

2

2

2

2

23/24

RCT

Drury 2016 [38]

2

2

2

2

0

2

2

2

14/16

Retrospective cohort

Edwards 2014 [39]

2

2

2

2

0

1

2

2

13/16

Retrospective cohort

Franchelli 2012 [40]

2

2

1

1

0

2

2

1

2

2

2

0

17/24

RCT

Fraser 2016 [41]

2

2

2

2

0

2

2

2

14/16

Retrospective cohort

Gao 2010 [42]

2

2

2

2

0

1

2

1

12/16

Retrospective cohort

Gulluoglu 2013 [43]

2

2

2

2

2

2

2

2

2

2

1

2

23/24

RCT

Gust 2013 [44]

2

2

2

2

0

2

2

2

14/16

Retrospective cohort