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Table 3 Quality assessment om included studies; quantitative studies, qualitative studies and review studies

From: Fatigue in patients with syndromic heritable thoracic aortic disease: a systematic review of the literature and a qualitative study of patients’ experiences and perceptions

Quantitative studies

Quality assessment criteria:

1. Is the study design identified and appropriate?

2. How representative are the study group for the population?

3. Is there adequate control group?

4. Is the validity for measurement acceptable?

5. Is the study complete with regard to dropout/missing data and reporting respond rate?

6. Do the authors describe and discuss limitations with the study?

7. To what extent are study results influenced by factors that negatively impact their credibility?

8. Does the study contribute to (new) knowledge about fatigue in HTAAD?

Ratings: Very good, Good, Acceptable, Fair and Poor

Authors

Years

HTAAD diagnosis

1. Study design

2. Representative sample

3. Control groups

4. Fatigue measure validity

5. Dropout/ missing data

6. Discuss limitations

7. Credibility

8. Novel knowledge about fatigue

Adults

Marfan syndrome (MFS)

[17]

Bathen et al. 2014

MFS:

verified Ghent 1

Good

Good

Good

Good

Good

Good

Good

Very good/good

[71]

Benninghoven et al. 2017

MFS and one LDS:

Verified diagnoses

Good

Acceptable

Good

Good

Good

Very good

Good

Very good/good

[62]

Fusar Poli et al. 2008

MFS:

All verified diagnosis

Good

Good

Acceptable

Good

Acceptable/good

Acceptable

Good

Acceptable

[52]

Ghanta et al. 2015

MFS:

22 of 49 had verified diagnosis

Good

Acceptable

Good

Acceptable

Good

Good

Acceptable

Acceptable/good

[63]

Moon et al. 2016

MFS:

All verified diagnosis

Very good

Good

Good

Good/very good

Good

Very good/good

Very good

Good/very good

[72]

Percheron et al. 2007

MFS

All verified diagnosis,

Good/acceptable

Acceptable

Good

Acceptable

Good

Good

Good

Good

[53]

Peters et al. 2001

MFS:

only self-reported diagnosis

Good

Acceptable

Good

Acceptable

Good

Good/very good

Good,

Good

[31]

Rand-Hendriksen et al. 2007

MFS,

All verified diagnosis

Good

Acceptable

Good

Good

Good

Acceptable

Good

Very good

[13]

Rand Hendriksen 2010

MFS:

All had verified MFS,

Good

Good

Very good

Good

Good

Acceptable

Good

Acceptable

[64]

Rao et al. 2016

MFS:

All had verified diagnosis

Very good

Very good

Good

Acceptable

Acceptable

Fair

Acceptable

Good

[54]

Ratiue et al. 2018

MFS:

Self-reported diagnosis

Good

Acceptable

Acceptable

Acceptable

Acceptable

Very good-

Acceptable/good

Good/acceptable

[65]

Schoorman et al. 2012

MFS

All had verified diagnosis

Very good

Good

Good

Good

Good

Very good

Very good

Good

[32]

Van Andel

et al. 2022

MFS:

All had verified diagnosis

Very good

Good

Good

Very good

Good

Good/very good

Good

Very good

[55]

Van Dijk et al. 2008

MFS:

Verified for some, but not all

Good

Acceptable

Good

Good

Acceptable

Very good

Good

Good

[73]

Vanem et al. 2021

MFS:

All had verified diagnosis

Very Good

Good

Very good

Good

Very good

Very good/good

Very good

Acceptable

[66]

Velvin et al. 2015

MFS

All had verified diagnosis

Good

Good

Good

Good

Acceptable

Fair

Acceptable-

Acceptable

[67]

Velvin et al. 2016

MFS

All had verified diagnosis

Good

Good

Good

Good

Good

Good

Good

Good

Ehlers Danlos syndrome

[68]

Schubart et al. 2019

HCTP

Verified diagnosis, criteria 2015

Acceptable

Good

Good

Good

Good

Good

Good

Acceptable

[57]

Voermans et al. 2010

EDS:

Several subgroups of EDS, without medically verified diagnoses

Good

Acceptable

Good

Good/acceptable

Good

Good

Good

Good

Marfan syndrome and Ehlers Danlos syndrome

[56]

Verbraecken et al. 2001

MFS/EDS:

Self-reported diagnosis

Good

Acceptable

Good

Good

Acceptable,

Good

Good

Acceptable

Vascular Ehlers Danlos (vEDS) Syndrome and Loeys Dietz syndrome (LDS)

[11]

Johansen et al. 2019

LDS/vEDS:

All verified diagnosis,

Good

Good

Acceptable

Good

Good

Good

Good

Good

[69]

Johansen et al. 2021

LDS/vEDS:

All verified diagnosis,

Good

Good

Good

Good

Good

Good

Good

Good

[16]

Johansen et al. 2022

LDS/vEDS:

All verified diagnosis

Good

Good

Good

Good

Good

Good

Good

Very Good

Different HTAAD diseases (including LDS, MFS and other HTAADs)

[58]

Thijssen et al. 2020

HTAADs:

86,5% verified diagnoses

Good

Good-

Good

Good

Good

Good

Good

Good

Children/Adolescents

[70]

Warnink-Kavelaars, et al. 2020

MFS:

All children had verified diagnosis,

Good

Good

Good

Good

Acceptable/good

Good

Good

Good

[61]

Warnink-Kavelaars, et al. 2021

MFS, LDS, EDS and hEDS:

Unclear if the children had verified diagnosis

Good

Acceptable

Good

Good

Good

Good

Good-

Very good

Qualitative studies

Quality assessment criteria:

1. Is the research questions(s) clearly and explicitly stated?

2. How was the participants selected (described selection process)?

3. The researchers role and has it been taken in account?

4. Is the method appropriate for collecting data?

5. Is the method appropriate for analyzing the data and for ensuring scientific rigor?

6. The credibility of the study ( as a whole)

7. Do the study contribute to novel knowledge on the particular issue (fatigue)?

Ratings: Very good, Good, Acceptable, Fair and Poor

Author, year

Diagnosis (es)

1.Research question (s)

2.Recruitment

3.The role of researcher (s)

4.Appropriate method

5.Appropriate analysis (es)

6.Limitations

7.Credibility

8.Contribute to new knowledge 8

Adults

[12]

Velvin et al. 2021

MFS, LDS;, vEDS

All verified diagnoses

Good

Good

Good

Good

Good

Good

Good

Acceptable

Children/adolescents

[59]

Kelleher et al. 2015

MFS:

Not verified diagnoses, only self-reported

Good

Acceptable

Acceptable

Very Good

Good

Good

Good

Good

[74]

Warnink-Kavelaars, et al. 2019

MFS:

All had confirmed diagnosis

Very good

Good

Acceptable

Very good

Very good

Very good

Very good

Very good

[60]

Warnink-Kavelaars, et al. 2019

MFS:

No description of verified diagnosis

Good

Good

Acceptable

Very good

Good

Very good

Good

Good

Review articles

Quality assessment criteria:

1. Is the review question clearly and explicitly stated?

2. Were the inclusion criteria appropriate for the review question?

3. Was the search strategy appropriate?

4. Were the criteria for appraising studies appropriate?

5. Was critical appraisal conducted by two or more reviewers independently?

6. Were there methods to minimize errors in data extraction?

7. Were the methods used to combine studies appropriate?

8. How is the credibility of the study? (limitations described, transparency, method, analyses and total impression)

9. Contribution to new knowledge on fatigue in HTAADs?

(benefits worth the harms and costs), implication for practice and recommendation for further research

Ratings: Very good, Good, Acceptable, Fair and Poor

Authors

Diagnosis(es)

Research questions1

Inclusion criteria2

Search strategy3

Criteria for appraisal4

Process of critical appraisal5

Methods for minimizing error I data extraction6

Methods for combining studies7

Credibility8

Contribution to new knowledge of fatigue9

[20]

Nielsen et al. 2019

MFS

All types of articles on MFS

Good

-

Good

Good

Not relevant

Good

Acceptable

-

Good

Good

Good

[19]

Velvin et al. 2014

MFS

All types of articles on MFS

Good

Good

Good

Good

Good

Acceptable

Good

Good

Acceptable

[51]

Velvin et al. 2019

HTAAD

Only articles on MFS were identified

Good

Good

Good

Good

Good

Acceptable

Good

Good

Acceptable