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Table 2 Summary of study characteristics

From: A systematic review of mitochondrial abnormalities in myalgic encephalomyelitis/chronic fatigue syndrome/systemic exertion intolerance disease

Author

Year

Study design

Dx

Sample sizes

Method of analysis

ME/CFS/SEID

HCs

Armstrong et al.

2015

Observational case–control

Canadian criteria

34

25

NMR spectroscopy

Billing-Ross et al.

2016

Observational case–control

Fukuda criteria

193

196

Illumina sequencing

Booth et al.

2012

Observational case–control

Fukuda criteria

138

53

ATP profile test

Castro-Marrero et al.

2013

Observational case–control

Fukuda criteria

23

15

Western blot bioluminescence

assay

Germain et al.

2017

Observational case–control

Fukuda criteria

IOM 2015

17

15

Mass spectrometry

Light et al.

2013

Observational case–control

Fukuda criteria

39

22

Real time QPCR

Maes et al.

2009

Observational case–control

Fukuda criteria

58

22

High Performance Liquid Chromatography

Mandarano et al.

2019

Observational case–control

Canadian criteria

53

45

Seahorse XFe96,

Flow cytometry,

Confocal microscopy

Missailidis et al.

2020A

Observational case–control

Canadian criteria

51

22

MitoTracker Green FM,

Seahorse XFe24 (mitochondrial stress test)

Missailidis et al.

2020B

Observational case–control

Canadian criteria

51

22

Seahorse XFe24 (mitochondrial stress test),

XF Glycolysis stress test

Naviaux et al.

2016

Observational case–control

Canadian criteria

Fukuda criteria

IOM 2015

45

39

Hydrophilic interaction liquid chromatography, electrospray ionization, and tandem mass spectrometry

Nguyen et al.

2016

Observational case–control

Fukuda criteria

17

19

Flow cytometry

Nguyen et al.

2019

Observational case–control

Fukuda criteria

International Consensus

criteria

6

6

Seahorse XFp

Plioplys and Plioplys

1995

Observational case–control

Fukuda criteria

15

15

Electron microscopy

Shungu et al.

2012

Observational case–control

Fukuda criteria

15

13

Magnetic resonance spectroscopy

Sweetman et al.

2019

Observational case–control

Canadian criteria

10

10

RNA sequencing

Tomas et al.

2017

Observational case–control

Fukuda criteria

52

35

Seahorse XFp

Venter et al.

2019

Observational case–control

Fukuda criteria

UK: 89 moderate, 29 severe

RSA: 143 moderate

UK: 64

RSA:98

DNA sequencing

Yamano et al.

2016

Observational case–control

Fukuda criteria

Training: 47

Validation: 20

Training: 46

Validation: 20

Agilent CE capillary electrophoresis system

  1. ATP adenosine triphosphate, DNA deoxyribonucleic acid, HCs healthy controls, IOM Institute of Medicine, ME/CFS/SEID myalgic encephalomyelitis/chronic fatigue syndrome/systemic exertion intolerance disease, NMR nuclear magnetic resonance, QPCR quantitative polymerase chain reaction, RSA Republic of South Africa; RNA ribonucleic acid, UK United Kingdom