F2799-C10851
C10851
Grip strength test indicator
Indicator whether the grip strength testing was done
Exploratory
Grip Strength Fatigue
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2756-C08242
C08242
Imaging acquisition duration
Duration of the imaging scan in minutes
Supplemental-Highly Recommended
Functional Magnetic Resonance Imaging (fMRI)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2170-C08522
C08522
36-item Short Form Health Survey (SF-36) - Pain interfere work score
Score of bodily pain interfering with work (in home and outside) during the past 4 weeks as part of version 1.0 of 36-item Short Form Health Survey (SF-36)
Supplemental-Highly Recommended
Short Form 36-Item Health Survey (SF-36)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F1026-C11909
C11909
Modified Fatigue Impact Scale (MFIS) - less alert score
Scale for being less alert as part of Modified Fatigue Impact Scale form
Exploratory
Modified Fatigue Impact Scale (MFIS)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2753-C12509
C12509
Imaging radio frequency coil category
Type of radio frequency (RF) coil(s) category used for the body part scanned
Supplemental-Highly Recommended
Magnetic Resonance Imaging (MRI)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2708-C12433
C12433
Polysomnography apnea hypopnea index type REM event count
Count of rapid eye movement (REM) sleep events recorded for the type of Apnea-Hypopnea Index (AHI) being reported
Supplemental
Polysomnography (PSG) for ME/CFS
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2715-C11649
C11649
Checklist Individual Strength (CIS20R) - thought wander easily scale
Scale assessing the extent to which the following statement has been true for the participant during the last two weeks: My thoughts easily wander. Part of the Checklist Individual Strength (CIS20R) questionnaire
Supplemental
Checklist for Individual Strength - Fatigue (CIS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2799-C17783
C17783
Grip strength fatigue percent target not attain indicator
Indicator that the participant/subject did not attain the indicated percentage of the target value in the grip strength fatigue trial being recorded
Exploratory
Grip Strength Fatigue
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2756-C10842
C10842
Imaging analysis software name
Name of the software used for data processing or analysis of the imaging study
Supplemental-Highly Recommended
Functional Magnetic Resonance Imaging (fMRI)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2170-C08530
C08530
36-item Short Form Health Survey (SF-36) - Times happy score
Score of times being a happy person during the past 4 weeks as part of version 1.0 of 36-item Short Form Health Survey (SF-36)
Supplemental-Highly Recommended
Short Form 36-Item Health Survey (SF-36)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F1026-C11917
C11917
Modified Fatigue Impact Scale (MFIS) - limit ability activity away from home score
Scale for having been limited in the ability to do things away from home as part of Modified Fatigue Impact Scale form
Exploratory
Modified Fatigue Impact Scale (MFIS)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2753-C17811
C17811
Imaging phase partial Fourier value
Value of the phase partial Fourier ratio, if used in imaging acquisition
Supplemental-Highly Recommended
Magnetic Resonance Imaging (MRI)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F1026-C11925
C11925
Modified Fatigue Impact Scale (MFIS) - unable complete task physical effort score
Scale for having been less able to complete tasks that require physical effort as part of Modified Fatigue Impact Scale form
Exploratory
Modified Fatigue Impact Scale (MFIS)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2714-C09643
C09643
Fatigue Severity Scale (FSS) - frequent problem scale
Scale used to describe the extent to which fatigue caused frequent problems for the patient in the past week, as part of the Fatigue Severity Scale (FSS)
Supplemental-Highly Recommended
Fatigue Severity Scale (FSS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2762-C01581
C01581
Weight unit of measure
Unit of measure for the weight numerical value
Supplemental-Highly Recommended
Quantitative Electroencephalography (qEEG)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2765-C58176
C58176
Laboratory test immunoglobulin positive indicator
The indicator relating to whether the immunoglobulin laboratory test result was positive
Supplemental
Laboratory Tests - Immune Module
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F1026-C11933
C11933
Modified Fatigue Impact Scale (MFIS) - total score
Total MFIS score (range: 0-84)
Exploratory
Modified Fatigue Impact Scale (MFIS)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2754-C08270
C08270
Imaging reference region text
Text that describes the reference region used for the imaging scan and analysis
Supplemental-Highly Recommended
Positron Emission Tomography (PET)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2170-C08506
C08506
36-item Short Form Health Survey (SF-36) - Health limited climbing several stairs score
Score of surveyee-reported limited climbing several flights of stairs due to physical health as part of version 1.0 of 36-item Short Form Health Survey (SF-36)
Supplemental-Highly Recommended
Short Form 36-Item Health Survey (SF-36)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F0372-C07096
C07096
Center for Epidemiologic Studies-Depression Scale (CES-D) - depressed indicator
Indicates how often the subject felt depressed in the past week, as part of the Center for Epidemiologic Studies-Depression Scale (CES-D)
Supplemental
Center for Epidemiologic Studies-Depression Scale (CES-D)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2747-C00035
C00035
Gender type
Self-reported gender of the participant/subject
Supplemental
Neurological Exam
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2753-C10584
C10584
Imaging phase resolution percentage value
The value in percent of the phase resolution used in imaging acquisition
Supplemental-Highly Recommended
Magnetic Resonance Imaging (MRI)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2715-C11633
C11633
Checklist Individual Strength (CIS20R) - thought effort scale
Scale assessing the extent to which the following statement has been true for the participant during the last two weeks: Thinking requires effort. Part of the Checklist Individual Strength (CIS20R) questionnaire
Supplemental
Checklist for Individual Strength - Fatigue (CIS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2762-C17438
C17438
EEG sampling rate
Electroencephalography (EEG) sampling rate, commonly recorded in Hz (250-2000 Hz)
Supplemental-Highly Recommended
Quantitative Electroencephalography (qEEG)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2765-C58184
C58184
Laboratory test lipopolyaccharide negative source specify text
Free-text field to specify the type of source tested which yielded negative laboratory test results
Supplemental
Laboratory Tests - Immune Module
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome